Fatal error: Uncaught Error: Interface "Composer\Plugin\PluginInterface" not found in /var/www/html/dev.hallescherfc.de/vendor/helhum/dotenv-connector/src/Plugin.php:21 Stack trace: #0 {main} thrown in /var/www/html/dev.hallescherfc.de/vendor/helhum/dotenv-connector/src/Plugin.php on line 21