Fatal error: Uncaught Error: Interface "MediaWiki\Preferences\Hook\GetPreferencesHook" not found in /home/hiphopdi/public_html/wiki2/extensions/CodeEditor/includes/Hooks.php:21 Stack trace: #0 {main} thrown in /home/hiphopdi/public_html/wiki2/extensions/CodeEditor/includes/Hooks.php on line 21