Fatal error: Uncaught Error: Interface "Doctrine\Common\DataFixtures\SharedFixtureInterface" not found in /home/gingerbrup/urban/vendor/doctrine/data-fixtures/lib/Doctrine/Common/DataFixtures/AbstractFixture.php:31 Stack trace: #0 {main} thrown in /home/gingerbrup/urban/vendor/doctrine/data-fixtures/lib/Doctrine/Common/DataFixtures/AbstractFixture.php on line 31