Fatal error: Uncaught Error: Class "craft\db\MigrationManager" not found in /home/leasingm/public_html/public_html/vendor/craftcms/cms/src/config/app.php:159 Stack trace: #0 {main} thrown in /home/leasingm/public_html/public_html/vendor/craftcms/cms/src/config/app.php on line 159