Fatal error: Uncaught Error: Class "MediaWiki\Auth\AbstractPreAuthenticationProvider" not found in /usr/www/otte/public/sphunt1/extensions/ConfirmEdit/includes/Auth/CaptchaPreAuthenticationProvider.php:16 Stack trace: #0 {main} thrown in /usr/www/otte/public/sphunt1/extensions/ConfirmEdit/includes/Auth/CaptchaPreAuthenticationProvider.php on line 16