An error occurred while trying to load this page.

omarehab

The issue

after a fresh installation of Flarum, I faced An error occurred while trying to load this page.
I enabled debut from config.php, and this is what I got:

s9e\SweetDOM\Document::query(): Return value must be of type DOMNodeList, bool returned

I'm using PHP 8.1
Ubuntu 22.04
Nginx 1.18

Flarum Error log

[2023-12-05 10:08:44] flarum.ERROR: TypeError: s9e\SweetDOM\Document::query(): Return value must be of type DOMNodeList, bool returned in /var/www/etec-flarum/vendor/s9e/sweetdom/src/Document.php:75
Stack trace:
#0 /var/www/etec-flarum/vendor/s9e/text-formatter/src/Configurator/TemplateNormalizations/AbstractNormalization.php(73): s9e\SweetDOM\Document->query()
#1 /var/www/etec-flarum/vendor/s9e/text-formatter/src/Configurator/TemplateNormalizations/AbstractNormalization.php(43): s9e\TextFormatter\Configurator\TemplateNormalizations\AbstractNormalization->getNodes()
#2 /var/www/etec-flarum/vendor/s9e/text-formatter/src/Configurator/TemplateNormalizer.php(146): s9e\TextFormatter\Configurator\TemplateNormalizations\AbstractNormalization->normalize()
#3 /var/www/etec-flarum/vendor/s9e/text-formatter/src/Configurator/Items/Template.php(165): s9e\TextFormatter\Configurator\TemplateNormalizer->normalizeTemplate()
#4 /var/www/etec-flarum/vendor/s9e/text-formatter/src/Configurator/TemplateNormalizer.php(124): s9e\TextFormatter\Configurator\Items\Template->normalize()
#5 /var/www/etec-flarum/vendor/s9e/text-formatter/src/Plugins/BBCodes/Configurator.php(162): s9e\TextFormatter\Configurator\TemplateNormalizer->normalizeTag()
#6 /var/www/etec-flarum/vendor/s9e/text-formatter/src/Plugins/BBCodes/Configurator.php(140): s9e\TextFormatter\Plugins\BBCodes\Configurator->addFromConfig()
#7 /var/www/etec-flarum/vendor/flarum/bbcode/src/Configure.php(31): s9e\TextFormatter\Plugins\BBCodes\Configurator->addFromRepository()
#8 /var/www/etec-flarum/vendor/flarum/bbcode/src/Configure.php(18): Flarum\BBCode\Configure->addTagsFromRepositories()
#9 /var/www/etec-flarum/vendor/flarum/core/src/Foundation/ContainerUtil.php(30): Flarum\BBCode\Configure->__invoke()
#10 /var/www/etec-flarum/vendor/flarum/core/src/Formatter/Formatter.php(177): Flarum\Foundation\ContainerUtil::Flarum\Foundation\{closure}()
#11 /var/www/etec-flarum/vendor/flarum/core/src/Formatter/Formatter.php(213): Flarum\Formatter\Formatter->getConfigurator()
#12 /var/www/etec-flarum/vendor/illuminate/cache/Repository.php(426): Flarum\Formatter\Formatter->Flarum\Formatter\{closure}()
#13 /var/www/etec-flarum/vendor/flarum/core/src/Formatter/Formatter.php(214): Illuminate\Cache\Repository->rememberForever()
#14 /var/www/etec-flarum/vendor/flarum/core/src/Formatter/Formatter.php(257): Flarum\Formatter\Formatter->getComponent()
#15 /var/www/etec-flarum/vendor/flarum/core/src/Forum/ForumServiceProvider.php(112): Flarum\Formatter\Formatter->getJs()
#16 [internal function]: Flarum\Forum\ForumServiceProvider->Flarum\Forum\{closure}()
#17 /var/www/etec-flarum/vendor/flarum/core/src/Frontend/Compiler/Source/StringSource.php(38): call_user_func()
#18 /var/www/etec-flarum/vendor/flarum/core/src/Frontend/Compiler/Source/StringSource.php(49): Flarum\Frontend\Compiler\Source\StringSource->getContent()
#19 /var/www/etec-flarum/vendor/flarum/core/src/Frontend/Compiler/RevisionCompiler.php(174): Flarum\Frontend\Compiler\Source\StringSource->getCacheDifferentiator()
#20 /var/www/etec-flarum/vendor/flarum/core/src/Frontend/Compiler/RevisionCompiler.php(71): Flarum\Frontend\Compiler\RevisionCompiler->calculateRevision()
#21 /var/www/etec-flarum/vendor/flarum/core/src/Frontend/Content/Assets.php(105): Flarum\Frontend\Compiler\RevisionCompiler->commit()
#22 /var/www/etec-flarum/vendor/flarum/core/src/Frontend/Content/Assets.php(63): Flarum\Frontend\Content\Assets->forceCommit()
#23 /var/www/etec-flarum/vendor/flarum/core/src/Frontend/Frontend.php(62): Flarum\Frontend\Content\Assets->__invoke()
#24 /var/www/etec-flarum/vendor/flarum/core/src/Frontend/Frontend.php(54): Flarum\Frontend\Frontend->populate()
#25 /var/www/etec-flarum/vendor/flarum/core/src/Frontend/Controller.php(32): Flarum\Frontend\Frontend->document()
#26 /var/www/etec-flarum/vendor/flarum/core/src/Http/RouteHandlerFactory.php(41): Flarum\Frontend\Controller->handle()
#27 /var/www/etec-flarum/vendor/flarum/core/src/Http/Middleware/ExecuteRoute.php(27): Flarum\Http\RouteHandlerFactory->Flarum\Http\{closure}()
#28 /var/www/etec-flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\ExecuteRoute->process()
#29 /var/www/etec-flarum/vendor/flarum/core/src/Http/Middleware/ContentTypeOptionsHeader.php(21): Laminas\Stratigility\Next->handle()
#30 /var/www/etec-flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\ContentTypeOptionsHeader->process()
#31 /var/www/etec-flarum/vendor/flarum/core/src/Http/Middleware/ReferrerPolicyHeader.php(30): Laminas\Stratigility\Next->handle()
#32 /var/www/etec-flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\ReferrerPolicyHeader->process()
#33 /var/www/etec-flarum/vendor/flarum/core/src/Http/Middleware/FlarumPromotionHeader.php(30): Laminas\Stratigility\Next->handle()
#34 /var/www/etec-flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\FlarumPromotionHeader->process()
#35 /var/www/etec-flarum/vendor/flarum/core/src/Http/Middleware/ShareErrorsFromSession.php(57): Laminas\Stratigility\Next->handle()
#36 /var/www/etec-flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\ShareErrorsFromSession->process()
#37 /var/www/etec-flarum/vendor/flarum/core/src/Http/Middleware/CheckCsrfToken.php(36): Laminas\Stratigility\Next->handle()
#38 /var/www/etec-flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\CheckCsrfToken->process()
#39 /var/www/etec-flarum/vendor/flarum/core/src/Http/Middleware/ResolveRoute.php(69): Laminas\Stratigility\Next->handle()
#40 /var/www/etec-flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\ResolveRoute->process()
#41 /var/www/etec-flarum/vendor/flarum/core/src/Http/Middleware/SetLocale.php(51): Laminas\Stratigility\Next->handle()
#42 /var/www/etec-flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\SetLocale->process()
#43 /var/www/etec-flarum/vendor/flarum/core/src/Http/Middleware/AuthenticateWithSession.php(31): Laminas\Stratigility\Next->handle()
#44 /var/www/etec-flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\AuthenticateWithSession->process()
#45 /var/www/etec-flarum/vendor/flarum/core/src/Http/Middleware/RememberFromCookie.php(52): Laminas\Stratigility\Next->handle()
#46 /var/www/etec-flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\RememberFromCookie->process()
#47 /var/www/etec-flarum/vendor/flarum/core/src/Http/Middleware/StartSession.php(61): Laminas\Stratigility\Next->handle()
#48 /var/www/etec-flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\StartSession->process()
#49 /var/www/etec-flarum/vendor/flarum/core/src/Http/Middleware/CollectGarbage.php(46): Laminas\Stratigility\Next->handle()
#50 /var/www/etec-flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\CollectGarbage->process()
#51 /var/www/etec-flarum/vendor/flarum/core/src/Http/Middleware/ParseJsonBody.php(28): Laminas\Stratigility\Next->handle()
#52 /var/www/etec-flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\ParseJsonBody->process()
#53 /var/www/etec-flarum/vendor/flarum/core/src/Http/Middleware/HandleErrors.php(57): Laminas\Stratigility\Next->handle()
#54 /var/www/etec-flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\HandleErrors->process()
#55 /var/www/etec-flarum/vendor/flarum/core/src/Http/Middleware/InjectActorReference.php(25): Laminas\Stratigility\Next->handle()
#56 /var/www/etec-flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\InjectActorReference->process()
#57 /var/www/etec-flarum/vendor/laminas/laminas-stratigility/src/MiddlewarePipe.php(75): Laminas\Stratigility\Next->handle()
#58 /var/www/etec-flarum/vendor/middlewares/request-handler/src/RequestHandler.php(84): Laminas\Stratigility\MiddlewarePipe->process()
#59 /var/www/etec-flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Middlewares\RequestHandler->process()
#60 /var/www/etec-flarum/vendor/middlewares/base-path-router/src/BasePathRouter.php(101): Laminas\Stratigility\Next->handle()
#61 /var/www/etec-flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Middlewares\BasePathRouter->process()
#62 /var/www/etec-flarum/vendor/laminas/laminas-stratigility/src/Middleware/OriginalMessages.php(36): Laminas\Stratigility\Next->handle()
#63 /var/www/etec-flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Laminas\Stratigility\Middleware\OriginalMessages->process()
#64 /var/www/etec-flarum/vendor/middlewares/base-path/src/BasePath.php(73): Laminas\Stratigility\Next->handle()
#65 /var/www/etec-flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Middlewares\BasePath->process()
#66 /var/www/etec-flarum/vendor/flarum/core/src/Http/Middleware/ProcessIp.php(24): Laminas\Stratigility\Next->handle()
#67 /var/www/etec-flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\ProcessIp->process()
#68 /var/www/etec-flarum/vendor/laminas/laminas-stratigility/src/MiddlewarePipe.php(75): Laminas\Stratigility\Next->handle()
#69 /var/www/etec-flarum/vendor/laminas/laminas-stratigility/src/MiddlewarePipe.php(64): Laminas\Stratigility\MiddlewarePipe->process()
#70 /var/www/etec-flarum/vendor/laminas/laminas-httphandlerrunner/src/RequestHandlerRunner.php(73): Laminas\Stratigility\MiddlewarePipe->handle()
#71 /var/www/etec-flarum/vendor/flarum/core/src/Http/Server.php(45): Laminas\HttpHandlerRunner\RequestHandlerRunner->run()
#72 /var/www/etec-flarum/public/index.php(26): Flarum\Http\Server->listen()
#73 {main}

GreXXL

omarehab wolfman jn8 kaitou1412 for your reference the issue has been addressed in flarum/core 1.8.4 (https://discuss.flarum.org/d/32901-staff-diary-v20-cycle/93)

wolfman

I have the same issue. I just updated my Test-Installation of Flarum an ran into the same error with s9e/sweetdom.

While updating s9e/sweetdom went from 2.1.2 to 3.2.0. I am not exactly sure if Flarum itself requires this or if it is an extension. I tried disabling FoF Formatting but this does not fix the issue.

Loading composer repositories with package information
Updating dependencies
Lock file operations: 1 install, 13 updates, 0 removals
  - Locking carbonphp/carbon-doctrine-types (1.0.0)
  - Upgrading flarum/approval (v1.8.0 => v1.8.1)
  - Upgrading guzzlehttp/guzzle (7.8.0 => 7.8.1)
  - Upgrading guzzlehttp/promises (2.0.1 => 2.0.2)
  - Upgrading guzzlehttp/psr7 (2.6.1 => 2.6.2)
  - Upgrading nesbot/carbon (2.71.0 => 2.72.0)
  - Upgrading s9e/sweetdom (2.1.2 => 3.2.0)
  - Upgrading s9e/text-formatter (2.14.3 => 2.15.0)
  - Upgrading symfony/console (v5.4.31 => v5.4.32)
  - Upgrading symfony/css-selector (v6.3.2 => v6.4.0)
  - Upgrading symfony/filesystem (v6.3.1 => v6.4.0)
  - Upgrading symfony/http-foundation (v5.4.31 => v5.4.32)
  - Upgrading symfony/string (v6.3.8 => v6.4.0)
  - Upgrading tijsverkoyen/css-to-inline-styles (2.2.6 => v2.2.7)

Flarum Error Log:

[2023-12-08 16:17:58] flarum.ERROR: TypeError: s9e\SweetDOM\Document::query(): Return value must be of type DOMNodeList, bool returned in /var/www/example.com/flarum/vendor/s9e/sweetdom/src/Document.php:75
Stack trace:
#0 /var/www/example.com/flarum/vendor/s9e/text-formatter/src/Configurator/TemplateNormalizations/AbstractNormalization.php(73): s9e\SweetDOM\Document->query()
#1 /var/www/example.com/flarum/vendor/s9e/text-formatter/src/Configurator/TemplateNormalizations/AbstractNormalization.php(43): s9e\TextFormatter\Configurator\TemplateNormalizations\AbstractNormalization->getNodes()
#2 /var/www/example.com/flarum/vendor/s9e/text-formatter/src/Configurator/TemplateNormalizer.php(146): s9e\TextFormatter\Configurator\TemplateNormalizations\AbstractNormalization->normalize()
#3 /var/www/example.com/flarum/vendor/s9e/text-formatter/src/Configurator/Items/Template.php(165): s9e\TextFormatter\Configurator\TemplateNormalizer->normalizeTemplate()
#4 /var/www/example.com/flarum/vendor/s9e/text-formatter/src/Configurator/TemplateNormalizer.php(124): s9e\TextFormatter\Configurator\Items\Template->normalize()
#5 /var/www/example.com/flarum/vendor/s9e/text-formatter/src/Plugins/BBCodes/Configurator.php(162): s9e\TextFormatter\Configurator\TemplateNormalizer->normalizeTag()
#6 /var/www/example.com/flarum/vendor/s9e/text-formatter/src/Plugins/BBCodes/Configurator.php(140): s9e\TextFormatter\Plugins\BBCodes\Configurator->addFromConfig()
#7 /var/www/example.com/flarum/vendor/flarum/bbcode/src/Configure.php(31): s9e\TextFormatter\Plugins\BBCodes\Configurator->addFromRepository()
#8 /var/www/example.com/flarum/vendor/flarum/bbcode/src/Configure.php(18): Flarum\BBCode\Configure->addTagsFromRepositories()
#9 /var/www/example.com/flarum/vendor/flarum/core/src/Foundation/ContainerUtil.php(30): Flarum\BBCode\Configure->__invoke()
#10 /var/www/example.com/flarum/vendor/flarum/core/src/Formatter/Formatter.php(177): Flarum\Foundation\ContainerUtil::Flarum\Foundation\{closure}()
#11 /var/www/example.com/flarum/vendor/flarum/core/src/Formatter/Formatter.php(213): Flarum\Formatter\Formatter->getConfigurator()
#12 /var/www/example.com/flarum/vendor/illuminate/cache/Repository.php(426): Flarum\Formatter\Formatter->Flarum\Formatter\{closure}()
#13 /var/www/example.com/flarum/vendor/flarum/core/src/Formatter/Formatter.php(214): Illuminate\Cache\Repository->rememberForever()
#14 /var/www/example.com/flarum/vendor/flarum/core/src/Formatter/Formatter.php(257): Flarum\Formatter\Formatter->getComponent()
#15 /var/www/example.com/flarum/vendor/flarum/core/src/Forum/ForumServiceProvider.php(112): Flarum\Formatter\Formatter->getJs()
#16 [internal function]: Flarum\Forum\ForumServiceProvider->Flarum\Forum\{closure}()
#17 /var/www/example.com/flarum/vendor/flarum/core/src/Frontend/Compiler/Source/StringSource.php(38): call_user_func()
#18 /var/www/example.com/flarum/vendor/flarum/core/src/Frontend/Compiler/Source/StringSource.php(49): Flarum\Frontend\Compiler\Source\StringSource->getContent()
#19 /var/www/example.com/flarum/vendor/flarum/core/src/Frontend/Compiler/RevisionCompiler.php(174): Flarum\Frontend\Compiler\Source\StringSource->getCacheDifferentiator()
#20 /var/www/example.com/flarum/vendor/flarum/core/src/Frontend/Compiler/RevisionCompiler.php(71): Flarum\Frontend\Compiler\RevisionCompiler->calculateRevision()
#21 /var/www/example.com/flarum/vendor/flarum/core/src/Frontend/Content/Assets.php(105): Flarum\Frontend\Compiler\RevisionCompiler->commit()
#22 /var/www/example.com/flarum/vendor/flarum/core/src/Frontend/Content/Assets.php(63): Flarum\Frontend\Content\Assets->forceCommit()
#23 /var/www/example.com/flarum/vendor/flarum/core/src/Frontend/Frontend.php(62): Flarum\Frontend\Content\Assets->__invoke()
#24 /var/www/example.com/flarum/vendor/flarum/core/src/Frontend/Frontend.php(54): Flarum\Frontend\Frontend->populate()
#25 /var/www/example.com/flarum/vendor/flarum/core/src/Frontend/Controller.php(32): Flarum\Frontend\Frontend->document()
#26 /var/www/example.com/flarum/vendor/flarum/core/src/Http/RouteHandlerFactory.php(41): Flarum\Frontend\Controller->handle()
#27 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/ExecuteRoute.php(27): Flarum\Http\RouteHandlerFactory->Flarum\Http\{closure}()
#28 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\ExecuteRoute->process()
#29 /var/www/example.com/flarum/vendor/fof/terms/src/Middlewares/RegisterMiddleware.php(59): Laminas\Stratigility\Next->handle()
#30 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): FoF\Terms\Middlewares\RegisterMiddleware->process()
#31 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/ContentTypeOptionsHeader.php(21): Laminas\Stratigility\Next->handle()
#32 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\ContentTypeOptionsHeader->process()
#33 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/ReferrerPolicyHeader.php(30): Laminas\Stratigility\Next->handle()
#34 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\ReferrerPolicyHeader->process()
#35 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/FlarumPromotionHeader.php(30): Laminas\Stratigility\Next->handle()
#36 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\FlarumPromotionHeader->process()
#37 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/ShareErrorsFromSession.php(57): Laminas\Stratigility\Next->handle()
#38 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\ShareErrorsFromSession->process()
#39 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/CheckCsrfToken.php(36): Laminas\Stratigility\Next->handle()
#40 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\CheckCsrfToken->process()
#41 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/ResolveRoute.php(69): Laminas\Stratigility\Next->handle()
#42 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\ResolveRoute->process()
#43 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/SetLocale.php(51): Laminas\Stratigility\Next->handle()
#44 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\SetLocale->process()
#45 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/AuthenticateWithSession.php(31): Laminas\Stratigility\Next->handle()
#46 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\AuthenticateWithSession->process()
#47 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/RememberFromCookie.php(52): Laminas\Stratigility\Next->handle()
#48 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\RememberFromCookie->process()
#49 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/StartSession.php(61): Laminas\Stratigility\Next->handle()
#50 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\StartSession->process()
#51 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/CollectGarbage.php(46): Laminas\Stratigility\Next->handle()
#52 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\CollectGarbage->process()
#53 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/ParseJsonBody.php(28): Laminas\Stratigility\Next->handle()
#54 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\ParseJsonBody->process()
#55 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/HandleErrors.php(57): Laminas\Stratigility\Next->handle()
#56 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\HandleErrors->process()
#57 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/InjectActorReference.php(25): Laminas\Stratigility\Next->handle()
#58 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\InjectActorReference->process()
#59 /var/www/example.com/flarum/vendor/fof/merge-discussions/src/Middleware/Redirection.php(28): Laminas\Stratigility\Next->handle()
#60 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): FoF\MergeDiscussions\Middleware\Redirection->process()
#61 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/MiddlewarePipe.php(75): Laminas\Stratigility\Next->handle()
#62 /var/www/example.com/flarum/vendor/middlewares/request-handler/src/RequestHandler.php(84): Laminas\Stratigility\MiddlewarePipe->process()
#63 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Middlewares\RequestHandler->process()
#64 /var/www/example.com/flarum/vendor/middlewares/base-path-router/src/BasePathRouter.php(101): Laminas\Stratigility\Next->handle()
#65 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Middlewares\BasePathRouter->process()
#66 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Middleware/OriginalMessages.php(36): Laminas\Stratigility\Next->handle()
#67 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Laminas\Stratigility\Middleware\OriginalMessages->process()
#68 /var/www/example.com/flarum/vendor/middlewares/base-path/src/BasePath.php(73): Laminas\Stratigility\Next->handle()
#69 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Middlewares\BasePath->process()
#70 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/ProcessIp.php(24): Laminas\Stratigility\Next->handle()
#71 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\ProcessIp->process()
#72 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/MiddlewarePipe.php(75): Laminas\Stratigility\Next->handle()
#73 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/MiddlewarePipe.php(64): Laminas\Stratigility\MiddlewarePipe->process()
#74 /var/www/example.com/flarum/vendor/laminas/laminas-httphandlerrunner/src/RequestHandlerRunner.php(73): Laminas\Stratigility\MiddlewarePipe->handle()
#75 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Server.php(45): Laminas\HttpHandlerRunner\RequestHandlerRunner->run()
#76 /var/www/example.com/flarum/public/index.php(26): Flarum\Http\Server->listen()

# php flarum info
Flarum core: 1.8.3
PHP version: 8.1.2-1ubuntu2.14
MySQL version: 8.0.35-0ubuntu0.22.04.1
Loaded extensions: Core, date, libxml, openssl, pcre, zlib, filter, hash, json, pcntl, Reflection, SPL, session, standard, sodium, mysqlnd, PDO, xml, bz2, calendar, ctype, curl, dom, mbstring, FFI, fileinfo, ftp, gd, gettext, iconv, imagick, intl, exif, mysqli, pdo_mysql, Phar, posix, readline, shmop, SimpleXML, sockets, sysvmsg, sysvsem, sysvshm, tokenizer, xmlreader, xmlwriter, xsl, zip, Zend OPcache
+--------------------------------------+------------+------------------------------------------+
| Flarum Extensions                    |            |                                          |
+--------------------------------------+------------+------------------------------------------+
| ID                                   | Version    | Commit                                   |
+--------------------------------------+------------+------------------------------------------+
| flarum-flags                         | v1.8.0     |                                          |
| flarum-bbcode                        | v1.8.0     |                                          |
| flarum-suspend                       | v1.8.1     |                                          |
| flarum-approval                      | v1.8.1     |                                          |
| flarum-tags                          | v1.8.0     |                                          |
| fof-formatting                       | 1.0.3      |                                          |
| wolfgang-demeter-bbcode-5star-rating | dev-main   | 57722d46957880ba45cce5a1e628ef51bb9237ab |
| wolfgang-demeter-amazon-product-api  | dev-main   | 103a697272450f99fe2fb223aaec2c668e72730b |
| fof-user-bio                         | 1.3.1      |                                          |
| fof-upload                           | 1.4.7      |                                          |
| fof-terms                            | 1.3.0      |                                          |
| fof-split                            | 1.1.1      |                                          |
| fof-socialprofile                    | 1.1.6      |                                          |
| fof-recaptcha                        | 1.3.1      |                                          |
| fof-pages                            | 1.0.8      |                                          |
| fof-merge-discussions                | 1.4.1      |                                          |
| fof-links                            | 1.2.1      |                                          |
| fof-byobu                            | 1.3.4      |                                          |
| fof-amazon-affiliation               | 1.1.0      |                                          |
| flarum-subscriptions                 | v1.8.0     |                                          |
| flarum-sticky                        | v1.8.0     |                                          |
| flarum-statistics                    | v1.8.0     |                                          |
| flarum-nicknames                     | v1.8.0     |                                          |
| flarum-mentions                      | v1.8.2     |                                          |
| flarum-markdown                      | v1.8.0     |                                          |
| flarum-lock                          | v1.8.0     |                                          |
| flarum-likes                         | v1.8.0     |                                          |
| flarum-lang-german                   | dev-master |                                          |
| flarum-lang-english                  | v1.8.0     |                                          |
| datlechin-birthdays                  | v2.0.1     |                                          |
| askvortsov-auto-moderator            | v0.1.3     |                                          |
| antoinefr-bbcode-fa                  | v1.0.0     |                                          |
+--------------------------------------+------------+------------------------------------------+
Base URL: https://dev.example.com
Installation path: /var/www/example.com/flarum
Queue driver: sync
Session driver: file
Mail driver: smtp
Debug mode: ON

katos

wolfman Can you try to disable antoinefr-bbcode-fa and fof-formatting and try again please ?

wolfman

katos Disabling antoinefr-bbcode-fa and fof-formatting is not enough and still throws an error. But when flarum-bbcode is also disabled, the forum page appears again.

katos

wolfman How strange - I'll do some testing and see what I can replicate 🙂

wolfman

katos Thanks. Maybe it is also system-related - which honestly would be quite strange. But @omarehab and I use both Ubuntu 22.04, PHP 8.1 and nginx 1.18.

wolfman

I downgraded s9e/sweetdom and therefore s9e/text-formatter to the older version and everything works as intended again. But this is certainly no long-term solution!

composer update s9e/text-formatter:^2.14 s9e/sweetdom:^2

jn8

wolfman same error & same solution worked for me.
Thank your for your post!

sys-info:
fresh flarum installation on Ubuntu 22.04, PHP8.1, Apache2.4.52

error:
s9e\SweetDOM\Document::query(): Return value must be of type DOMNodeList, bool returned

fix:
composer update s9e/text-formatter:^2.14 s9e/sweetdom:^2

kaitou1412

wolfman

thank you, Alhamdulillaah.
I've been searching for solution since some days ago. disabling flarum-bbcode made the forum back online..
yes, we need long term solution.
have the developers been notified?

wolfman

kaitou1412 have the developers been notified?

I think @katos is aware of the situation.

katos

wolfman sure am. Interestingly myself and @IanM and across this one recently and downgraded some composer dependencies but then when we updated again it worked absolutely fine, so rather bizarre.

GreXXL

wolfman have you tried disabling all extensions and just run the core? Does the error still occur, then? If not, please activate extensions individually to see which causes the error. I see you are using editor extensions on a dev-main branch that I haven't heard about.

wolfman

GreXXL The problem disappears, when disabling these three extensions:

antoinefr-bbcode-fa
fof-formatting
flarum-bbcode

wolfman

GreXXL @IanM I just came home from work and double checked it!

With s9e/sweetdom 3.2.0 and s9e/text-formatter 2.15.0 the following happens with these plugins individually activated:

antoinefr-bbcode-fa is innocent and works fine.
fof-formatting specifically and only the option MediaEmbed of the plugin triggers the error.
flarum-bbcode triggers the error as well.
wolfgang-demeter-bbcode-5star-rating requires flarum-bbcode and doesn't function without it. To deactivate flarum-bbcode this extension has to be deactivated as well.

When downgraded to s9e/sweetdom 2.1.2 and s9e/text-formatter 2.14.3 everything works again as expected.

With flarum-bbcode this is the stack trace of the error:

[2023-12-13 17:34:23] flarum.ERROR: TypeError: s9e\SweetDOM\Document::query(): Return value must be of type DOMNodeList, bool returned in /var/www/example.com/flarum/vendor/s9e/sweetdom/src/Document.php:75
Stack trace:
#0 /var/www/example.com/flarum/vendor/s9e/text-formatter/src/Configurator/TemplateNormalizations/AbstractNormalization.php(73): s9e\SweetDOM\Document->query()
#1 /var/www/example.com/flarum/vendor/s9e/text-formatter/src/Configurator/TemplateNormalizations/AbstractNormalization.php(43): s9e\TextFormatter\Configurator\TemplateNormalizations\AbstractNormalization->getNodes()
#2 /var/www/example.com/flarum/vendor/s9e/text-formatter/src/Configurator/TemplateNormalizer.php(146): s9e\TextFormatter\Configurator\TemplateNormalizations\AbstractNormalization->normalize()
#3 /var/www/example.com/flarum/vendor/s9e/text-formatter/src/Configurator/Items/Template.php(165): s9e\TextFormatter\Configurator\TemplateNormalizer->normalizeTemplate()
#4 /var/www/example.com/flarum/vendor/s9e/text-formatter/src/Configurator/TemplateNormalizer.php(124): s9e\TextFormatter\Configurator\Items\Template->normalize()
#5 /var/www/example.com/flarum/vendor/s9e/text-formatter/src/Plugins/BBCodes/Configurator.php(162): s9e\TextFormatter\Configurator\TemplateNormalizer->normalizeTag()
#6 /var/www/example.com/flarum/vendor/s9e/text-formatter/src/Plugins/BBCodes/Configurator.php(140): s9e\TextFormatter\Plugins\BBCodes\Configurator->addFromConfig()
#7 /var/www/example.com/flarum/vendor/flarum/bbcode/src/Configure.php(31): s9e\TextFormatter\Plugins\BBCodes\Configurator->addFromRepository()
#8 /var/www/example.com/flarum/vendor/flarum/bbcode/src/Configure.php(18): Flarum\BBCode\Configure->addTagsFromRepositories()
#9 /var/www/example.com/flarum/vendor/flarum/core/src/Foundation/ContainerUtil.php(30): Flarum\BBCode\Configure->__invoke()
#10 /var/www/example.com/flarum/vendor/flarum/core/src/Formatter/Formatter.php(177): Flarum\Foundation\ContainerUtil::Flarum\Foundation\{closure}()
#11 /var/www/example.com/flarum/vendor/flarum/core/src/Formatter/Formatter.php(213): Flarum\Formatter\Formatter->getConfigurator()
#12 /var/www/example.com/flarum/vendor/illuminate/cache/Repository.php(426): Flarum\Formatter\Formatter->Flarum\Formatter\{closure}()
#13 /var/www/example.com/flarum/vendor/flarum/core/src/Formatter/Formatter.php(214): Illuminate\Cache\Repository->rememberForever()
#14 /var/www/example.com/flarum/vendor/flarum/core/src/Formatter/Formatter.php(257): Flarum\Formatter\Formatter->getComponent()
#15 /var/www/example.com/flarum/vendor/flarum/core/src/Forum/ForumServiceProvider.php(112): Flarum\Formatter\Formatter->getJs()
#16 [internal function]: Flarum\Forum\ForumServiceProvider->Flarum\Forum\{closure}()
#17 /var/www/example.com/flarum/vendor/flarum/core/src/Frontend/Compiler/Source/StringSource.php(38): call_user_func()
#18 /var/www/example.com/flarum/vendor/flarum/core/src/Frontend/Compiler/Source/StringSource.php(49): Flarum\Frontend\Compiler\Source\StringSource->getContent()
#19 /var/www/example.com/flarum/vendor/flarum/core/src/Frontend/Compiler/RevisionCompiler.php(174): Flarum\Frontend\Compiler\Source\StringSource->getCacheDifferentiator()
#20 /var/www/example.com/flarum/vendor/flarum/core/src/Frontend/Compiler/RevisionCompiler.php(71): Flarum\Frontend\Compiler\RevisionCompiler->calculateRevision()
#21 /var/www/example.com/flarum/vendor/flarum/core/src/Frontend/Content/Assets.php(105): Flarum\Frontend\Compiler\RevisionCompiler->commit()
#22 /var/www/example.com/flarum/vendor/flarum/core/src/Frontend/Content/Assets.php(63): Flarum\Frontend\Content\Assets->forceCommit()
#23 /var/www/example.com/flarum/vendor/flarum/core/src/Frontend/Frontend.php(62): Flarum\Frontend\Content\Assets->__invoke()
#24 /var/www/example.com/flarum/vendor/flarum/core/src/Frontend/Frontend.php(54): Flarum\Frontend\Frontend->populate()
#25 /var/www/example.com/flarum/vendor/flarum/core/src/Frontend/Controller.php(32): Flarum\Frontend\Frontend->document()
#26 /var/www/example.com/flarum/vendor/flarum/core/src/Http/RouteHandlerFactory.php(41): Flarum\Frontend\Controller->handle()
#27 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/ExecuteRoute.php(27): Flarum\Http\RouteHandlerFactory->Flarum\Http\{closure}()
#28 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\ExecuteRoute->process()
#29 /var/www/example.com/flarum/vendor/fof/terms/src/Middlewares/RegisterMiddleware.php(59): Laminas\Stratigility\Next->handle()
#30 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): FoF\Terms\Middlewares\RegisterMiddleware->process()
#31 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/ContentTypeOptionsHeader.php(21): Laminas\Stratigility\Next->handle()
#32 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\ContentTypeOptionsHeader->process()
#33 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/ReferrerPolicyHeader.php(30): Laminas\Stratigility\Next->handle()
#34 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\ReferrerPolicyHeader->process()
#35 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/FlarumPromotionHeader.php(30): Laminas\Stratigility\Next->handle()
#36 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\FlarumPromotionHeader->process()
#37 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/ShareErrorsFromSession.php(57): Laminas\Stratigility\Next->handle()
#38 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\ShareErrorsFromSession->process()
#39 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/CheckCsrfToken.php(36): Laminas\Stratigility\Next->handle()
#40 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\CheckCsrfToken->process()
#41 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/ResolveRoute.php(69): Laminas\Stratigility\Next->handle()
#42 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\ResolveRoute->process()
#43 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/SetLocale.php(51): Laminas\Stratigility\Next->handle()
#44 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\SetLocale->process()
#45 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/AuthenticateWithSession.php(31): Laminas\Stratigility\Next->handle()
#46 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\AuthenticateWithSession->process()
#47 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/RememberFromCookie.php(52): Laminas\Stratigility\Next->handle()
#48 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\RememberFromCookie->process()
#49 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/StartSession.php(61): Laminas\Stratigility\Next->handle()
#50 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\StartSession->process()
#51 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/CollectGarbage.php(46): Laminas\Stratigility\Next->handle()
#52 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\CollectGarbage->process()
#53 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/ParseJsonBody.php(28): Laminas\Stratigility\Next->handle()
#54 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\ParseJsonBody->process()
#55 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/HandleErrors.php(57): Laminas\Stratigility\Next->handle()
#56 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\HandleErrors->process()
#57 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/InjectActorReference.php(25): Laminas\Stratigility\Next->handle()
#58 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\InjectActorReference->process()
#59 /var/www/example.com/flarum/vendor/fof/merge-discussions/src/Middleware/Redirection.php(28): Laminas\Stratigility\Next->handle()
#60 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): FoF\MergeDiscussions\Middleware\Redirection->process()
#61 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/MiddlewarePipe.php(75): Laminas\Stratigility\Next->handle()
#62 /var/www/example.com/flarum/vendor/middlewares/request-handler/src/RequestHandler.php(84): Laminas\Stratigility\MiddlewarePipe->process()
#63 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Middlewares\RequestHandler->process()
#64 /var/www/example.com/flarum/vendor/middlewares/base-path-router/src/BasePathRouter.php(101): Laminas\Stratigility\Next->handle()
#65 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Middlewares\BasePathRouter->process()
#66 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Middleware/OriginalMessages.php(36): Laminas\Stratigility\Next->handle()
#67 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Laminas\Stratigility\Middleware\OriginalMessages->process()
#68 /var/www/example.com/flarum/vendor/middlewares/base-path/src/BasePath.php(73): Laminas\Stratigility\Next->handle()
#69 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Middlewares\BasePath->process()
#70 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/ProcessIp.php(24): Laminas\Stratigility\Next->handle()
#71 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\ProcessIp->process()
#72 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/MiddlewarePipe.php(75): Laminas\Stratigility\Next->handle()
#73 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/MiddlewarePipe.php(64): Laminas\Stratigility\MiddlewarePipe->process()
#74 /var/www/example.com/flarum/vendor/laminas/laminas-httphandlerrunner/src/RequestHandlerRunner.php(73): Laminas\Stratigility\MiddlewarePipe->handle()
#75 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Server.php(45): Laminas\HttpHandlerRunner\RequestHandlerRunner->run()
#76 /var/www/example.com/flarum/public/index.php(26): Flarum\Http\Server->listen()
#77 {main

And this is the stack trace with fof-formatting, which seems to be another error caused by the same updated libraries:

[2023-12-13 17:36:57] flarum.ERROR: RuntimeException: Unsupported xsl:attribute name 'data-s9e-mediaembed' in /var/www/example.com/flarum/vendor/s9e/text-formatter/src/Configurator/TemplateChecks/DisallowUnsupportedXSL.php:39
Stack trace:
#0 /var/www/example.com/flarum/vendor/s9e/text-formatter/src/Configurator/TemplateChecks/AbstractXSLSupportCheck.php(90): s9e\TextFormatter\Configurator\TemplateChecks\DisallowUnsupportedXSL->checkXslAttributeElement()
#1 /var/www/example.com/flarum/vendor/s9e/text-formatter/src/Configurator/TemplateChecks/AbstractXSLSupportCheck.php(42): s9e\TextFormatter\Configurator\TemplateChecks\AbstractXSLSupportCheck->checkXslElements()
#2 /var/www/example.com/flarum/vendor/s9e/text-formatter/src/Configurator/TemplateChecker.php(129): s9e\TextFormatter\Configurator\TemplateChecks\AbstractXSLSupportCheck->check()
#3 /var/www/example.com/flarum/vendor/s9e/text-formatter/src/Configurator/TemplateChecker.php(101): s9e\TextFormatter\Configurator\TemplateChecker->checkTemplate()
#4 /var/www/example.com/flarum/vendor/s9e/text-formatter/src/Plugins/MediaEmbed/Configurator.php(169): s9e\TextFormatter\Configurator\TemplateChecker->checkTag()
#5 /var/www/example.com/flarum/vendor/s9e/text-formatter/src/Plugins/MediaEmbed/Configurator.php(126): s9e\TextFormatter\Plugins\MediaEmbed\Configurator->addTag()
#6 /var/www/example.com/flarum/vendor/s9e/text-formatter/src/Configurator/Bundles/MediaPack.php(31): s9e\TextFormatter\Plugins\MediaEmbed\Configurator->add()
#7 /var/www/example.com/flarum/vendor/fof/formatting/extend.php(40): s9e\TextFormatter\Configurator\Bundles\MediaPack->configure()
#8 /var/www/example.com/flarum/vendor/flarum/core/src/Formatter/Formatter.php(177): Flarum\Extension\Extension->FoF\Formatting\{closure}()
#9 /var/www/example.com/flarum/vendor/flarum/core/src/Formatter/Formatter.php(213): Flarum\Formatter\Formatter->getConfigurator()
#10 /var/www/example.com/flarum/vendor/illuminate/cache/Repository.php(426): Flarum\Formatter\Formatter->Flarum\Formatter\{closure}()
#11 /var/www/example.com/flarum/vendor/flarum/core/src/Formatter/Formatter.php(214): Illuminate\Cache\Repository->rememberForever()
#12 /var/www/example.com/flarum/vendor/flarum/core/src/Formatter/Formatter.php(257): Flarum\Formatter\Formatter->getComponent()
#13 /var/www/example.com/flarum/vendor/flarum/core/src/Forum/ForumServiceProvider.php(112): Flarum\Formatter\Formatter->getJs()
#14 [internal function]: Flarum\Forum\ForumServiceProvider->Flarum\Forum\{closure}()
#15 /var/www/example.com/flarum/vendor/flarum/core/src/Frontend/Compiler/Source/StringSource.php(38): call_user_func()
#16 /var/www/example.com/flarum/vendor/flarum/core/src/Frontend/Compiler/Source/StringSource.php(49): Flarum\Frontend\Compiler\Source\StringSource->getContent()
#17 /var/www/example.com/flarum/vendor/flarum/core/src/Frontend/Compiler/RevisionCompiler.php(174): Flarum\Frontend\Compiler\Source\StringSource->getCacheDifferentiator()
#18 /var/www/example.com/flarum/vendor/flarum/core/src/Frontend/Compiler/RevisionCompiler.php(71): Flarum\Frontend\Compiler\RevisionCompiler->calculateRevision()
#19 /var/www/example.com/flarum/vendor/flarum/core/src/Frontend/Content/Assets.php(105): Flarum\Frontend\Compiler\RevisionCompiler->commit()
#20 /var/www/example.com/flarum/vendor/flarum/core/src/Frontend/Content/Assets.php(63): Flarum\Frontend\Content\Assets->forceCommit()
#21 /var/www/example.com/flarum/vendor/flarum/core/src/Frontend/Frontend.php(62): Flarum\Frontend\Content\Assets->__invoke()
#22 /var/www/example.com/flarum/vendor/flarum/core/src/Frontend/Frontend.php(54): Flarum\Frontend\Frontend->populate()
#23 /var/www/example.com/flarum/vendor/flarum/core/src/Frontend/Controller.php(32): Flarum\Frontend\Frontend->document()
#24 /var/www/example.com/flarum/vendor/flarum/core/src/Http/RouteHandlerFactory.php(41): Flarum\Frontend\Controller->handle()
#25 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/ExecuteRoute.php(27): Flarum\Http\RouteHandlerFactory->Flarum\Http\{closure}()
#26 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\ExecuteRoute->process()
#27 /var/www/example.com/flarum/vendor/fof/terms/src/Middlewares/RegisterMiddleware.php(59): Laminas\Stratigility\Next->handle()
#28 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): FoF\Terms\Middlewares\RegisterMiddleware->process()
#29 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/ContentTypeOptionsHeader.php(21): Laminas\Stratigility\Next->handle()
#30 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\ContentTypeOptionsHeader->process()
#31 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/ReferrerPolicyHeader.php(30): Laminas\Stratigility\Next->handle()
#32 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\ReferrerPolicyHeader->process()
#33 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/FlarumPromotionHeader.php(30): Laminas\Stratigility\Next->handle()
#34 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\FlarumPromotionHeader->process()
#35 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/ShareErrorsFromSession.php(57): Laminas\Stratigility\Next->handle()
#36 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\ShareErrorsFromSession->process()
#37 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/CheckCsrfToken.php(36): Laminas\Stratigility\Next->handle()
#38 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\CheckCsrfToken->process()
#39 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/ResolveRoute.php(69): Laminas\Stratigility\Next->handle()
#40 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\ResolveRoute->process()
#41 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/SetLocale.php(51): Laminas\Stratigility\Next->handle()
#42 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\SetLocale->process()
#43 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/AuthenticateWithSession.php(31): Laminas\Stratigility\Next->handle()
#44 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\AuthenticateWithSession->process()
#45 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/RememberFromCookie.php(52): Laminas\Stratigility\Next->handle()
#46 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\RememberFromCookie->process()
#47 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/StartSession.php(61): Laminas\Stratigility\Next->handle()
#48 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\StartSession->process()
#49 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/CollectGarbage.php(46): Laminas\Stratigility\Next->handle()
#50 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\CollectGarbage->process()
#51 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/ParseJsonBody.php(28): Laminas\Stratigility\Next->handle()
#52 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\ParseJsonBody->process()
#53 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/HandleErrors.php(57): Laminas\Stratigility\Next->handle()
#54 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\HandleErrors->process()
#55 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/InjectActorReference.php(25): Laminas\Stratigility\Next->handle()
#56 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\InjectActorReference->process()
#57 /var/www/example.com/flarum/vendor/fof/merge-discussions/src/Middleware/Redirection.php(28): Laminas\Stratigility\Next->handle()
#58 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): FoF\MergeDiscussions\Middleware\Redirection->process()
#59 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/MiddlewarePipe.php(75): Laminas\Stratigility\Next->handle()
#60 /var/www/example.com/flarum/vendor/middlewares/request-handler/src/RequestHandler.php(84): Laminas\Stratigility\MiddlewarePipe->process()
#61 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Middlewares\RequestHandler->process()
#62 /var/www/example.com/flarum/vendor/middlewares/base-path-router/src/BasePathRouter.php(101): Laminas\Stratigility\Next->handle()
#63 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Middlewares\BasePathRouter->process()
#64 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Middleware/OriginalMessages.php(36): Laminas\Stratigility\Next->handle()
#65 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Laminas\Stratigility\Middleware\OriginalMessages->process()
#66 /var/www/example.com/flarum/vendor/middlewares/base-path/src/BasePath.php(73): Laminas\Stratigility\Next->handle()
#67 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Middlewares\BasePath->process()
#68 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Middleware/ProcessIp.php(24): Laminas\Stratigility\Next->handle()
#69 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/Next.php(49): Flarum\Http\Middleware\ProcessIp->process()
#70 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/MiddlewarePipe.php(75): Laminas\Stratigility\Next->handle()
#71 /var/www/example.com/flarum/vendor/laminas/laminas-stratigility/src/MiddlewarePipe.php(64): Laminas\Stratigility\MiddlewarePipe->process()
#72 /var/www/example.com/flarum/vendor/laminas/laminas-httphandlerrunner/src/RequestHandlerRunner.php(73): Laminas\Stratigility\MiddlewarePipe->handle()
#73 /var/www/example.com/flarum/vendor/flarum/core/src/Http/Server.php(45): Laminas\HttpHandlerRunner\RequestHandlerRunner->run()
#74 /var/www/example.com/flarum/public/index.php(26): Flarum\Http\Server->listen()
#75 {main}

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