Fatal error: Uncaught Error: Class "MediaWiki\Extension\AbuseFilter\Filter\Filter" not found in /usr/www/otte/public/sphunt1/extensions/AbuseFilter/includes/Filter/MutableFilter.php:13 Stack trace: #0 {main} thrown in /usr/www/otte/public/sphunt1/extensions/AbuseFilter/includes/Filter/MutableFilter.php on line 13