Fatal error: Uncaught Error: Interface "Symfony\Component\Config\Resource\SelfCheckingResourceInterface" not found in C:\Apache24\htdocs\cw\vendor\symfony\config\Resource\FileExistenceResource.php:24 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\cw\vendor\symfony\config\Resource\FileExistenceResource.php on line 24