Fatal error: Uncaught Error: Interface "MobileFrontend\BaseDomainExtractorInterface" not found in /var/www/html/extensions/MobileFrontend/includes/WMFBaseDomainExtractor.php:14 Stack trace: #0 {main} thrown in /var/www/html/extensions/MobileFrontend/includes/WMFBaseDomainExtractor.php on line 14