Fatal error: Uncaught Error: Class "craft\db\Migration" not found in /home/telefonai/public_html/test.telefonai.eu/vendor/craftcms/cms/src/migrations/BaseContentRefactorMigration.php:28 Stack trace: #0 {main} thrown in /home/telefonai/public_html/test.telefonai.eu/vendor/craftcms/cms/src/migrations/BaseContentRefactorMigration.php on line 28