Fatal error: Uncaught Error: Class "Doctrine\ORM\Persisters\Entity\AbstractEntityInheritancePersister" not found in C:\xampp\htdocs\retrodex\helpdesk\vendor\doctrine\orm\lib\Doctrine\ORM\Persisters\Entity\SingleTablePersister.php:21 Stack trace: #0 {main} thrown in C:\xampp\htdocs\retrodex\helpdesk\vendor\doctrine\orm\lib\Doctrine\ORM\Persisters\Entity\SingleTablePersister.php on line 21