Fatal error: Uncaught UnexpectedValueException: callback 'MediaWiki\Extension\SmartCommons\Hook\RepoRegistrationHandler::onRegistration' is not callable in /www/wwwroot/enwiki/w/includes/registration/ExtensionRegistry.php:585 Stack trace: #0 /www/wwwroot/enwiki/w/includes/registration/ExtensionRegistry.php(333): MediaWiki\Registration\ExtensionRegistry->exportExtractedData() #1 /www/wwwroot/enwiki/w/includes/Setup.php(295): MediaWiki\Registration\ExtensionRegistry->loadFromQueue() #2 /www/wwwroot/enwiki/w/includes/WebStart.php(85): require_once('...') #3 /www/wwwroot/enwiki/w/index.php(50): require('...') #4 {main} thrown in /www/wwwroot/enwiki/w/includes/registration/ExtensionRegistry.php on line 585