Fatal error: Uncaught Error: Interface 'Doctrine\Common\Collections\Collection' not found in D:\workspaces\liZiPingBack\vendor\doctrine\collections\lib\Doctrine\Common\Collections\ArrayCollection.php:45 Stack trace: #0 {main} thrown in D:\workspaces\liZiPingBack\vendor\doctrine\collections\lib\Doctrine\Common\Collections\ArrayCollection.php on line 45