Fatal error: Uncaught Error: Interface "Doctrine\Persistence\Mapping\Driver\FileLocator" not found in C:\Apache24\htdocs\cms_upgrade\vendor\doctrine\persistence\lib\Doctrine\Persistence\Mapping\Driver\SymfonyFileLocator.php:28 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\cms_upgrade\vendor\doctrine\persistence\lib\Doctrine\Persistence\Mapping\Driver\SymfonyFileLocator.php on line 28