Fatal error: Uncaught Error: Interface "MediaWiki\Installer\Hook\LoadExtensionSchemaUpdatesHook" not found in /home/floten1/q.tenbergen.ca/extensions/LoginNotify/includes/SchemaHooks.php:8 Stack trace: #0 {main} thrown in /home/floten1/q.tenbergen.ca/extensions/LoginNotify/includes/SchemaHooks.php on line 8