Fatal error: Uncaught Error: Class 'Symfony\Bundle\MakerBundle\Doctrine\BaseRelation' not found in D:\workspaces\liZiPingBack\vendor\symfony\maker-bundle\src\Doctrine\BaseSingleRelation.php:17 Stack trace: #0 {main} thrown in D:\workspaces\liZiPingBack\vendor\symfony\maker-bundle\src\Doctrine\BaseSingleRelation.php on line 17