Fatal error: Uncaught Error: Class "Symfony\Component\HttpClient\Chunk\DataChunk" not found in /users/quirl/www/filemanager/spark/protected/vendor/symfony/http-client/Chunk/ServerSentEvent.php:21 Stack trace: #0 {main} thrown in /users/quirl/www/filemanager/spark/protected/vendor/symfony/http-client/Chunk/ServerSentEvent.php on line 21