Fatal error: Uncaught Error: Interface 'Doctrine\Persistence\PropertyChangedListener' not found in D:\workspaces\liZiPingBack\vendor\doctrine\orm\lib\Doctrine\ORM\UnitOfWork.php:77 Stack trace: #0 {main} thrown in D:\workspaces\liZiPingBack\vendor\doctrine\orm\lib\Doctrine\ORM\UnitOfWork.php on line 77