Fatal error: Uncaught Error: Interface "Doctrine\Common\DataFixtures\SharedFixtureInterface" not found in /home/ldt/public_html/canvas/udoit/vendor/doctrine/data-fixtures/src/AbstractFixture.php:17 Stack trace: #0 {main} thrown in /home/ldt/public_html/canvas/udoit/vendor/doctrine/data-fixtures/src/AbstractFixture.php on line 17