Fatal error: Uncaught Error: Class "Doctrine\ORM\Mapping\InverseSideMapping" not found in /home/zdpktgd/ptc/vendor.old/doctrine/orm/src/Mapping/ToOneInverseSideMapping.php:7 Stack trace: #0 {main} thrown in /home/zdpktgd/ptc/vendor.old/doctrine/orm/src/Mapping/ToOneInverseSideMapping.php on line 7