Fatal error: Uncaught Error: Class 'MediaWiki\Auth\AbstractPreAuthenticationProvider' not found in /var/www/html/wiki_2023/extensions/SpamBlacklist/includes/SpamBlacklistPreAuthenticationProvider.php:5 Stack trace: #0 {main} thrown in /var/www/html/wiki_2023/extensions/SpamBlacklist/includes/SpamBlacklistPreAuthenticationProvider.php on line 5