Fatal error: Uncaught Error: Class 'Doctrine\Persistence\AbstractManagerRegistry' not found in C:\Apache24\htdocs\InvoiceTracking\vendor\symfony\doctrine-bridge\ManagerRegistry.php:24 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\InvoiceTracking\vendor\symfony\doctrine-bridge\ManagerRegistry.php on line 24