Fatal error: Uncaught Error: Interface "Composer\Plugin\PluginInterface" not found in /home/tubu/public_html/Opigno_D9v03old/opignoD9/vendor/composer/installers/src/Composer/Installers/Plugin.php:9 Stack trace: #0 {main} thrown in /home/tubu/public_html/Opigno_D9v03old/opignoD9/vendor/composer/installers/src/Composer/Installers/Plugin.php on line 9