Fatal error: Uncaught Error: Interface "MediaWiki\Installer\Hook\LoadExtensionSchemaUpdatesHook" not found in /usr/www/otte/public/sphunt1/extensions/AbuseFilter/includes/Hooks/Handlers/SchemaChangesHandler.php:16 Stack trace: #0 {main} thrown in /usr/www/otte/public/sphunt1/extensions/AbuseFilter/includes/Hooks/Handlers/SchemaChangesHandler.php on line 16