Fatal error: Uncaught Error: Class "Doctrine\ORM\EntityRepository" not found in C:\xampp\htdocs\electronica\vendor\knplabs\doctrine-behaviors\tests\fixtures\BehaviorFixtures\ORM\TreeNodeEntityRepository.php:11 Stack trace: #0 {main} thrown in C:\xampp\htdocs\electronica\vendor\knplabs\doctrine-behaviors\tests\fixtures\BehaviorFixtures\ORM\TreeNodeEntityRepository.php on line 11