Fatal error: Uncaught Error: Interface "MediaWiki\Extension\CodeEditor\Hooks\CodeEditorGetPageLanguageHook" not found in /usr/www/otte/public/sphunt1/extensions/Gadgets/includes/CodeEditorHooks.php:12 Stack trace: #0 {main} thrown in /usr/www/otte/public/sphunt1/extensions/Gadgets/includes/CodeEditorHooks.php on line 12