Fatal error: Uncaught Error: Class "MediaWiki\Auth\AbstractPreAuthenticationProvider" not found in C:\xampp\htdocs\extensions\AbuseFilter\includes\AbuseFilterPreAuthenticationProvider.php:18 Stack trace: #0 {main} thrown in C:\xampp\htdocs\extensions\AbuseFilter\includes\AbuseFilterPreAuthenticationProvider.php on line 18