datitisev I think this is the error output. What should I do to solve
[2021-09-16 21:21:07] flarum.ERROR: Error: Call to undefined function GuzzleHttp\Psr7\stream_for() in /var/www/v1/vendor/intervention/image/src/Intervention/Image/Commands/StreamCommand.php:19
Stack trace:
#0 /var/www/v1/vendor/intervention/image/src/Intervention/Image/AbstractDriver.php(94): Intervention\Image\Commands\StreamCommand->execute()
#1 /var/www/v1/vendor/intervention/image/src/Intervention/Image/Image.php(108): Intervention\Image\AbstractDriver->executeCommand()
#2 /var/www/v1/vendor/intervention/image/src/Intervention/Image/Commands/ExifCommand.php(35): Intervention\Image\Image->__call()
#3 /var/www/v1/vendor/intervention/image/src/Intervention/Image/AbstractDriver.php(94): Intervention\Image\Commands\ExifCommand->execute()
#4 /var/www/v1/vendor/intervention/image/src/Intervention/Image/Image.php(108): Intervention\Image\AbstractDriver->executeCommand()
#5 /var/www/v1/vendor/intervention/image/src/Intervention/Image/Commands/OrientateCommand.php(15): Intervention\Image\Image->__call()
#6 /var/www/v1/vendor/intervention/image/src/Intervention/Image/AbstractDriver.php(94): Intervention\Image\Commands\OrientateCommand->execute()
#7 /var/www/v1/vendor/intervention/image/src/Intervention/Image/Image.php(108): Intervention\Image\AbstractDriver->executeCommand()
#8 /var/www/v1/vendor/flarum/core/src/User/AvatarUploader.php(36): Intervention\Image\Image->__call()
#9 /var/www/v1/vendor/flarum/core/src/User/Command/UploadAvatarHandler.php(77): Flarum\User\AvatarUploader->upload()
#10 /var/www/v1/vendor/illuminate/bus/Dispatcher.php(122): Flarum\User\Command\UploadAvatarHandler->handle()
#11 /var/www/v1/vendor/illuminate/pipeline/Pipeline.php(128): Illuminate\Bus\Dispatcher->Illuminate\Bus\{closure}()
#12 /var/www/v1/vendor/illuminate/pipeline/Pipeline.php(103): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}()
#13 /var/www/v1/vendor/illuminate/bus/Dispatcher.php(132): Illuminate\Pipeline\Pipeline->then()
#14 /var/www/v1/vendor/illuminate/bus/Dispatcher.php(78): Illuminate\Bus\Dispatcher->dispatchNow()
#15 /var/www/v1/vendor/flarum/core/src/Api/Controller/UploadAvatarController.php(50): Illuminate\Bus\Dispatcher->dispatch()
#16 /var/www/v1/vendor/flarum/core/src/Api/Controller/AbstractSerializeController.php(110): Flarum\Api\Controller\UploadAvatarController->data()
#17 /var/www/v1/vendor/flarum/core/src/Http/RouteHandlerFactory.php(41): Flarum\Api\Controller\AbstractSerializeController->handle()
#18 /var/www/v1/vendor/flarum/core/src/Http/Middleware/ExecuteRoute.php(27): Flarum\Http\RouteHandlerFactory->Flarum\Http\{closure}()
#19 /var/www/v1/vendor/laminas/laminas-stratigility/src/Next.php(51): Flarum\Http\Middleware\ExecuteRoute->process()
#20 /var/www/v1/vendor/flarum/core/src/Api/Middleware/ThrottleApi.php(33): Laminas\Stratigility\Next->handle()
#21 /var/www/v1/vendor/laminas/laminas-stratigility/src/Next.php(51): Flarum\Api\Middleware\ThrottleApi->process()
#22 /var/www/v1/vendor/flarum/core/src/Http/Middleware/CheckCsrfToken.php(44): Laminas\Stratigility\Next->handle()
#23 /var/www/v1/vendor/laminas/laminas-stratigility/src/Next.php(51): Flarum\Http\Middleware\CheckCsrfToken->process()
#24 /var/www/v1/vendor/flarum/core/src/Http/Middleware/ResolveRoute.php(67): Laminas\Stratigility\Next->handle()
#25 /var/www/v1/vendor/laminas/laminas-stratigility/src/Next.php(51): Flarum\Http\Middleware\ResolveRoute->process()
#26 /var/www/v1/vendor/flarum/core/src/Http/Middleware/SetLocale.php(51): Laminas\Stratigility\Next->handle()
#27 /var/www/v1/vendor/laminas/laminas-stratigility/src/Next.php(51): Flarum\Http\Middleware\SetLocale->process()
#28 /var/www/v1/vendor/flarum/core/src/Http/Middleware/AuthenticateWithHeader.php(56): Laminas\Stratigility\Next->handle()
#29 /var/www/v1/vendor/laminas/laminas-stratigility/src/Next.php(51): Flarum\Http\Middleware\AuthenticateWithHeader->process()
#30 /var/www/v1/vendor/flarum/core/src/Http/Middleware/AuthenticateWithSession.php(31): Laminas\Stratigility\Next->handle()
#31 /var/www/v1/vendor/laminas/laminas-stratigility/src/Next.php(51): Flarum\Http\Middleware\AuthenticateWithSession->process()
#32 /var/www/v1/vendor/flarum/core/src/Http/Middleware/RememberFromCookie.php(52): Laminas\Stratigility\Next->handle()
#33 /var/www/v1/vendor/laminas/laminas-stratigility/src/Next.php(51): Flarum\Http\Middleware\RememberFromCookie->process()
#34 /var/www/v1/vendor/flarum/core/src/Http/Middleware/StartSession.php(61): Laminas\Stratigility\Next->handle()
#35 /var/www/v1/vendor/laminas/laminas-stratigility/src/Next.php(51): Flarum\Http\Middleware\StartSession->process()
#36 /var/www/v1/vendor/flarum/core/src/Api/Middleware/FakeHttpMethods.php(29): Laminas\Stratigility\Next->handle()
#37 /var/www/v1/vendor/laminas/laminas-stratigility/src/Next.php(51): Flarum\Api\Middleware\FakeHttpMethods->process()
#38 /var/www/v1/vendor/flarum/core/src/Http/Middleware/ParseJsonBody.php(28): Laminas\Stratigility\Next->handle()
#39 /var/www/v1/vendor/laminas/laminas-stratigility/src/Next.php(51): Flarum\Http\Middleware\ParseJsonBody->process()
#40 /var/www/v1/vendor/flarum/core/src/Http/Middleware/HandleErrors.php(57): Laminas\Stratigility\Next->handle()
#41 /var/www/v1/vendor/laminas/laminas-stratigility/src/Next.php(51): Flarum\Http\Middleware\HandleErrors->process()
#42 /var/www/v1/vendor/flarum/core/src/Http/Middleware/InjectActorReference.php(25): Laminas\Stratigility\Next->handle()
#43 /var/www/v1/vendor/laminas/laminas-stratigility/src/Next.php(51): Flarum\Http\Middleware\InjectActorReference->process()
#44 /var/www/v1/vendor/laminas/laminas-stratigility/src/MiddlewarePipe.php(76): Laminas\Stratigility\Next->handle()
#45 /var/www/v1/vendor/middlewares/request-handler/src/RequestHandler.php(84): Laminas\Stratigility\MiddlewarePipe->process()
#46 /var/www/v1/vendor/laminas/laminas-stratigility/src/Next.php(51): Middlewares\RequestHandler->process()
#47 /var/www/v1/vendor/middlewares/base-path-router/src/BasePathRouter.php(101): Laminas\Stratigility\Next->handle()
#48 /var/www/v1/vendor/laminas/laminas-stratigility/src/Next.php(51): Middlewares\BasePathRouter->process()
#49 /var/www/v1/vendor/laminas/laminas-stratigility/src/Middleware/OriginalMessages.php(36): Laminas\Stratigility\Next->handle()
#50 /var/www/v1/vendor/laminas/laminas-stratigility/src/Next.php(51): Laminas\Stratigility\Middleware\OriginalMessages->process()
#51 /var/www/v1/vendor/middlewares/base-path/src/BasePath.php(73): Laminas\Stratigility\Next->handle()
#52 /var/www/v1/vendor/laminas/laminas-stratigility/src/Next.php(51): Middlewares\BasePath->process()
#53 /var/www/v1/vendor/flarum/core/src/Http/Middleware/ProcessIp.php(24): Laminas\Stratigility\Next->handle()
#54 /var/www/v1/vendor/laminas/laminas-stratigility/src/Next.php(51): Flarum\Http\Middleware\ProcessIp->process()
#55 /var/www/v1/vendor/laminas/laminas-stratigility/src/MiddlewarePipe.php(76): Laminas\Stratigility\Next->handle()
#56 /var/www/v1/vendor/laminas/laminas-stratigility/src/MiddlewarePipe.php(65): Laminas\Stratigility\MiddlewarePipe->process()
#57 /var/www/v1/vendor/laminas/laminas-httphandlerrunner/src/RequestHandlerRunner.php(96): Laminas\Stratigility\MiddlewarePipe->handle()
#58 /var/www/v1/vendor/flarum/core/src/Http/Server.php(44): Laminas\HttpHandlerRunner\RequestHandlerRunner->run()
#59 /var/www/v1/public/index.php(26): Flarum\Http\Server->listen()
#60 {main}