Fatal error: Uncaught UnexpectedValueException: callback 'MediaWiki\Extension\MobileDetect\Hooks::onRegistration' is not callable in /web/ganjawiki.ru/includes/registration/ExtensionRegistry.php:556 Stack trace: #0 /web/ganjawiki.ru/includes/registration/ExtensionRegistry.php(317): ExtensionRegistry->exportExtractedData() #1 /web/ganjawiki.ru/includes/Setup.php(285): ExtensionRegistry->loadFromQueue() #2 /web/ganjawiki.ru/includes/WebStart.php(92): require_once('...') #3 /web/ganjawiki.ru/index.php(44): require('...') #4 {main} thrown in /web/ganjawiki.ru/includes/registration/ExtensionRegistry.php on line 556