Fatal error: Uncaught Error: Class 'Doctrine\ORM\EntityManager' not found in C:\Apache24\htdocs\InvoiceTracking\var\cache\prod\ContainerXh3CKHE\EntityManager_9a5be93.php:5 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\InvoiceTracking\var\cache\prod\ContainerXh3CKHE\EntityManager_9a5be93.php on line 5