Fatal error: Uncaught Error: Class 'Doctrine\Common\DataFixtures\AbstractFixture' not found in /home/cooplafobq/newplanning/vendor/doctrine/doctrine-fixtures-bundle/Fixture.php:13 Stack trace: #0 {main} thrown in /home/cooplafobq/newplanning/vendor/doctrine/doctrine-fixtures-bundle/Fixture.php on line 13