Feed does not have content. The feeds URLs are
https://www.kobocity.com/atom/discussions and https://www.kobocity.com/atom
Here is error in my log:
[2021-06-10 17:33:57] flarum.ERROR: Error: Call to a member function put() on null in /home/kobocity/flarum/vendor/flarum/core/src/Http/Middleware/RememberFromCookie.php:48
Stack trace:
#0 /home/kobocity/flarum/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\Http\Middleware\RememberFromCookie->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#1 /home/kobocity/flarum/vendor/flarum/core/src/Http/Middleware/HandleErrors.php(57): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#2 /home/kobocity/flarum/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\Http\Middleware\HandleErrors->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#3 /home/kobocity/flarum/vendor/laminas/laminas-stratigility/src/MiddlewarePipe.php(84): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#4 /home/kobocity/flarum/vendor/laminas/laminas-stratigility/src/MiddlewarePipe.php(73): Laminas\Stratigility\MiddlewarePipe->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\EmptyPipelineHandler))
#5 /home/kobocity/flarum/vendor/flarum/core/src/Api/Client.php(144): Laminas\Stratigility\MiddlewarePipe->handle(Object(Laminas\Diactoros\ServerRequest))
#6 /home/kobocity/flarum/vendor/flarum/core/src/Api/Client.php(95): Flarum\Api\Client->send('GET', '/discussions')
#7 /home/kobocity/flarum/vendor/ianm/syndication/src/Controller/AbstractFeedController.php(182): Flarum\Api\Client->get('/discussions')
#8 /home/kobocity/flarum/vendor/ianm/syndication/src/Controller/DiscussionsActivityFeedController.php(193): IanM\FlarumFeeds\Controller\AbstractFeedController->getAPIDocument('/discussions', Object(Flarum\User\User), Array)
#9 /home/kobocity/flarum/vendor/ianm/syndication/src/Controller/DiscussionsActivityFeedController.php(118): IanM\FlarumFeeds\Controller\DiscussionsActivityFeedController->getDocument(Object(Flarum\User\User), Array)
#10 /home/kobocity/flarum/vendor/ianm/syndication/src/Controller/AbstractFeedController.php(124): IanM\FlarumFeeds\Controller\DiscussionsActivityFeedController->getFeedContent(Object(Laminas\Diactoros\ServerRequest))
#11 /home/kobocity/flarum/vendor/flarum/core/src/Http/RouteHandlerFactory.php(41): IanM\FlarumFeeds\Controller\AbstractFeedController->handle(Object(Laminas\Diactoros\ServerRequest))
#12 /home/kobocity/flarum/vendor/flarum/core/src/Http/Middleware/ExecuteRoute.php(27): Flarum\Http\RouteHandlerFactory->Flarum\Http\{closure}(Object(Laminas\Diactoros\ServerRequest), Array)
#13 /home/kobocity/flarum/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\Http\Middleware\ExecuteRoute->process(Object(Laminas\Diactoros\ServerRequest), Object(Closure))
#14 /home/kobocity/flarum/vendor/fof/stopforumspam/src/Middleware/RegisterMiddleware.php(101): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#15 /home/kobocity/flarum/vendor/laminas/laminas-stratigility/src/Next.php(61): FoF\StopForumSpam\Middleware\RegisterMiddleware->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#16 /home/kobocity/flarum/vendor/malago/flarum-achievements/src/Middlewares/MiddlewarePosted.php(27): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#17 /home/kobocity/flarum/vendor/laminas/laminas-stratigility/src/Next.php(61): Malago\Achievements\Middlewares\MiddlewarePosted->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#18 /home/kobocity/flarum/vendor/fof/oauth/src/Middleware/ErrorHandler.php(50): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#19 /home/kobocity/flarum/vendor/laminas/laminas-stratigility/src/Next.php(61): FoF\OAuth\Middleware\ErrorHandler->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#20 /home/kobocity/flarum/vendor/flarum/core/src/Http/Middleware/ContentTypeOptionsHeader.php(21): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#21 /home/kobocity/flarum/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\Http\Middleware\ContentTypeOptionsHeader->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#22 /home/kobocity/flarum/vendor/flarum/core/src/Http/Middleware/ReferrerPolicyHeader.php(30): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#23 /home/kobocity/flarum/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\Http\Middleware\ReferrerPolicyHeader->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#24 /home/kobocity/flarum/vendor/flarum/core/src/Http/Middleware/FlarumPromotionHeader.php(30): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#25 /home/kobocity/flarum/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\Http\Middleware\FlarumPromotionHeader->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#26 /home/kobocity/flarum/vendor/flarum/core/src/Http/Middleware/ShareErrorsFromSession.php(57): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#27 /home/kobocity/flarum/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\Http\Middleware\ShareErrorsFromSession->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#28 /home/kobocity/flarum/vendor/flarum/core/src/Http/Middleware/CheckCsrfToken.php(36): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#29 /home/kobocity/flarum/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\Http\Middleware\CheckCsrfToken->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#30 /home/kobocity/flarum/vendor/flarum/core/src/Http/Middleware/ResolveRoute.php(67): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#31 /home/kobocity/flarum/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\Http\Middleware\ResolveRoute->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#32 /home/kobocity/flarum/vendor/flarum/core/src/Http/Middleware/SetLocale.php(51): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#33 /home/kobocity/flarum/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\Http\Middleware\SetLocale->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#34 /home/kobocity/flarum/vendor/flarum/core/src/Http/Middleware/AuthenticateWithSession.php(31): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#35 /home/kobocity/flarum/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\Http\Middleware\AuthenticateWithSession->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#36 /home/kobocity/flarum/vendor/flarum/core/src/Http/Middleware/RememberFromCookie.php(52): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#37 /home/kobocity/flarum/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\Http\Middleware\RememberFromCookie->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#38 /home/kobocity/flarum/vendor/flarum/core/src/Http/Middleware/StartSession.php(61): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#39 /home/kobocity/flarum/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\Http\Middleware\StartSession->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#40 /home/kobocity/flarum/vendor/flarum/core/src/Http/Middleware/CollectGarbage.php(46): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#41 /home/kobocity/flarum/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\Http\Middleware\CollectGarbage->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#42 /home/kobocity/flarum/vendor/flarum/core/src/Http/Middleware/ParseJsonBody.php(28): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#43 /home/kobocity/flarum/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\Http\Middleware\ParseJsonBody->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#44 /home/kobocity/flarum/vendor/flarum/core/src/Http/Middleware/HandleErrors.php(57): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#45 /home/kobocity/flarum/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\Http\Middleware\HandleErrors->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#46 /home/kobocity/flarum/vendor/flarum/core/src/Http/Middleware/InjectActorReference.php(25): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#47 /home/kobocity/flarum/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\Http\Middleware\InjectActorReference->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#48 /home/kobocity/flarum/vendor/laminas/laminas-stratigility/src/MiddlewarePipe.php(84): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#49 /home/kobocity/flarum/vendor/middlewares/request-handler/src/RequestHandler.php(84): Laminas\Stratigility\MiddlewarePipe->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#50 /home/kobocity/flarum/vendor/laminas/laminas-stratigility/src/Next.php(61): Middlewares\RequestHandler->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#51 /home/kobocity/flarum/vendor/middlewares/base-path-router/src/BasePathRouter.php(101): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#52 /home/kobocity/flarum/vendor/laminas/laminas-stratigility/src/Next.php(61): Middlewares\BasePathRouter->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#53 /home/kobocity/flarum/vendor/laminas/laminas-stratigility/src/Middleware/OriginalMessages.php(42): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#54 /home/kobocity/flarum/vendor/laminas/laminas-stratigility/src/Next.php(61): Laminas\Stratigility\Middleware\OriginalMessages->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#55 /home/kobocity/flarum/vendor/middlewares/base-path/src/BasePath.php(73): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#56 /home/kobocity/flarum/vendor/laminas/laminas-stratigility/src/Next.php(61): Middlewares\BasePath->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#57 /home/kobocity/flarum/vendor/flarum/core/src/Http/Middleware/ProcessIp.php(24): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#58 /home/kobocity/flarum/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\Http\Middleware\ProcessIp->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#59 /home/kobocity/flarum/vendor/laminas/laminas-stratigility/src/MiddlewarePipe.php(84): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#60 /home/kobocity/flarum/vendor/laminas/laminas-stratigility/src/MiddlewarePipe.php(73): Laminas\Stratigility\MiddlewarePipe->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\EmptyPipelineHandler))
#61 /home/kobocity/flarum/vendor/laminas/laminas-httphandlerrunner/src/RequestHandlerRunner.php(96): Laminas\Stratigility\MiddlewarePipe->handle(Object(Laminas\Diactoros\ServerRequest))
#62 /home/kobocity/flarum/vendor/flarum/core/src/Http/Server.php(44): Laminas\HttpHandlerRunner\RequestHandlerRunner->run()
#63 /home/kobocity/flarum/public/index.php(26): Flarum\Http\Server->listen()
#64 {main}