Fatal error: Uncaught Error: Class "Doctrine\ORM\Persisters\Collection\AbstractCollectionPersister" not found in /home/dodom2/public_html/cgilink.biz/vendor/doctrine/orm/src/Persisters/Collection/OneToManyPersister.php:25 Stack trace: #0 {main} thrown in /home/dodom2/public_html/cgilink.biz/vendor/doctrine/orm/src/Persisters/Collection/OneToManyPersister.php on line 25