Fatal error: Uncaught ExtensionDependencyError: SimpleSAMLphp is not compatible with the current MediaWiki core (version 1.35.9), it requires: >= 1.39.0.
in /var/www/html/includes/registration/ExtensionRegistry.php:435
Stack trace:
#0 /var/www/html/includes/registration/ExtensionRegistry.php(258): ExtensionRegistry->readFromQueue(Array)
#1 /var/www/html/includes/Setup.php(161): ExtensionRegistry->loadFromQueue()
#2 /var/www/html/includes/WebStart.php(89): require_once('/var/www/html/i...')
#3 /var/www/html/index.php(44): require('/var/www/html/i...')
#4 {main}
thrown in /var/www/html/includes/registration/ExtensionRegistry.php on line 435