Fatal error: Uncaught Error: Class "Doctrine\ORM\Persisters\Collection\AbstractCollectionPersister" not found in /opt/lampp/htdocs/myhospitalnow/suitecrm/vendor/doctrine/orm/src/Persisters/Collection/ManyToManyPersister.php:32 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/myhospitalnow/suitecrm/vendor/doctrine/orm/src/Persisters/Collection/ManyToManyPersister.php on line 32