Fatal error: Uncaught Error: Interface "Contao\ManagerPlugin\Config\ConfigPluginInterface" not found in /home/exklusivbeautysa/public_html/vendor/contao/manager-plugin/tests/Fixtures/PluginLoader/FooConsolePlugin.php:18 Stack trace: #0 {main} thrown in /home/exklusivbeautysa/public_html/vendor/contao/manager-plugin/tests/Fixtures/PluginLoader/FooConsolePlugin.php on line 18