Fatal error: Uncaught Error: Interface "Composer\Plugin\PluginInterface" not found in /home/Xereah/public_html/pstruzik/vendor/symfony/runtime/Internal/ComposerPlugin.php:28 Stack trace: #0 {main} thrown in /home/Xereah/public_html/pstruzik/vendor/symfony/runtime/Internal/ComposerPlugin.php on line 28