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