Fatal error: Uncaught Error: Class "Contao\CoreBundle\Migration\AbstractMigration" not found in /home/rankting/public_html/ALT/ranketing.de (contao)/vendor/numero2/contao-marketing-suite/src/Migration/CMSTestmodeMigration.php:26 Stack trace: #0 {main} thrown in /home/rankting/public_html/ALT/ranketing.de (contao)/vendor/numero2/contao-marketing-suite/src/Migration/CMSTestmodeMigration.php on line 26