Fatal error: Uncaught ExtensionDependencyError: Lockdown is not compatible with the current MediaWiki core (version 1.37.2), it requires: >= 1.41.0. in /data/www/www57/www/includes/registration/ExtensionRegistry.php:432 Stack trace: #0 /data/www/www57/www/includes/registration/ExtensionRegistry.php(255): ExtensionRegistry->readFromQueue(Array) #1 /data/www/www57/www/includes/Setup.php(168): ExtensionRegistry->loadFromQueue() #2 /data/www/www57/www/includes/WebStart.php(90): require_once('/data/www/www57...') #3 /data/www/www57/www/index.php(44): require('/data/www/www57...') #4 {main} thrown in /data/www/www57/www/includes/registration/ExtensionRegistry.php on line 432