Fatal error: Uncaught Error: Class 'Wikimedia\Services\ServiceContainer' not found in /var/www/html/includes/MediaWikiServices.php:152 Stack trace: #0 /var/www/html/includes/AutoLoader.php(109): require() #1 [internal function]: AutoLoader::autoload() #2 /var/www/html/includes/Setup.php(534): spl_autoload_call() #3 /var/www/html/includes/WebStart.php(89): require_once('/var/www/html/i...') #4 /var/www/html/index.php(44): require('/var/www/html/i...') #5 {main} thrown in /var/www/html/includes/MediaWikiServices.php on line 152