Fatal error: Uncaught Error: Interface 'Contao\ManagerPlugin\Bundle\BundlePluginInterface' not found in /home/eberhardschwarze/public_html/vendor/netzmacht/contao-toolkit/src/Bundle/ContaoManager/Plugin.php:31 Stack trace: #0 {main} thrown in /home/eberhardschwarze/public_html/vendor/netzmacht/contao-toolkit/src/Bundle/ContaoManager/Plugin.php on line 31