Fatal error: Uncaught Error: Interface "Contao\ManagerPlugin\Bundle\BundlePluginInterface" not found in /home/exklusivbeautysa/public_html/vendor/contao/installation-bundle/src/ContaoManager/Plugin.php:28 Stack trace: #0 {main} thrown in /home/exklusivbeautysa/public_html/vendor/contao/installation-bundle/src/ContaoManager/Plugin.php on line 28