Fatal error: Uncaught Error: Interface 'Composer\Plugin\PluginInterface' not found in /home/domains/sfct.org/docs/wp-content/plugins/all-in-one-event-calendar/apiki/vendor/composer/installers/src/Composer/Installers/Plugin.php:9 Stack trace: #0 {main} thrown in /home/domains/sfct.org/docs/wp-content/plugins/all-in-one-event-calendar/apiki/vendor/composer/installers/src/Composer/Installers/Plugin.php on line 9