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