Fatal error: Uncaught Error: Interface "MediaWiki\Extension\BetaFeatures\Hooks\GetBetaFeaturePreferencesHook" not found in /var/www/html/extensions/VisualEditor/includes/BetaPreferenceHooks.php:15 Stack trace: #0 {main} thrown in /var/www/html/extensions/VisualEditor/includes/BetaPreferenceHooks.php on line 15