Fatal error: Uncaught Error: Class "Doctrine\Migrations\AbstractMigration" not found in /home/ldt/public_html/canvas/udoit/src/DoctrineMigrations/Version20210910203121.php:13 Stack trace: #0 {main} thrown in /home/ldt/public_html/canvas/udoit/src/DoctrineMigrations/Version20210910203121.php on line 13