Fatal error: Uncaught Error: Class "Doctrine\DBAL\Schema\AbstractSchemaManager" not found in /home/ldt/public_html/canvas/udoit/vendor/doctrine/dbal/src/Schema/MySQLSchemaManager.php:33 Stack trace: #0 {main} thrown in /home/ldt/public_html/canvas/udoit/vendor/doctrine/dbal/src/Schema/MySQLSchemaManager.php on line 33