Fatal error: Uncaught Error: Interface "Composer\Plugin\PluginInterface" not found in /home/yrdsb11w3creativ/public_html/109/vendor/drupal/core-project-message/MessagePlugin.php:17 Stack trace: #0 {main} thrown in /home/yrdsb11w3creativ/public_html/109/vendor/drupal/core-project-message/MessagePlugin.php on line 17