Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\Kernel" not found in /home/pataplou/www/patrick/pataplouf/vendor/vich/uploader-bundle/tests/Kernel/FlysystemOfficialAppKernel.php:16 Stack trace: #0 {main} thrown in /home/pataplou/www/patrick/pataplouf/vendor/vich/uploader-bundle/tests/Kernel/FlysystemOfficialAppKernel.php on line 16