Fatal error: Uncaught Error: Interface "Contao\ManagerPlugin\Dependency\DependentPluginInterface" not found in /home/exklusivbeautysa/public_html/vendor/contao/manager-plugin/tests/Fixtures/PluginLoader/FooDependendPlugin.php:17 Stack trace: #0 {main} thrown in /home/exklusivbeautysa/public_html/vendor/contao/manager-plugin/tests/Fixtures/PluginLoader/FooDependendPlugin.php on line 17