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