Fatal error: Uncaught Error: Interface "Composer\Plugin\PluginInterface" not found in /home/rankting/public_html/ALT/ranketing.de (contao)/vendor/contao-community-alliance/composer-plugin/src/Plugin.php:37 Stack trace: #0 {main} thrown in /home/rankting/public_html/ALT/ranketing.de (contao)/vendor/contao-community-alliance/composer-plugin/src/Plugin.php on line 37