Fatal error: Uncaught Error: Interface "Composer\Plugin\PluginInterface" not found in /users/ms-it/www/oc/lib/composer/dg/composer-cleaner/src/ComposerCleaner/Plugin.php:15 Stack trace: #0 {main} thrown in /users/ms-it/www/oc/lib/composer/dg/composer-cleaner/src/ComposerCleaner/Plugin.php on line 15