Warning: require_once(sitemap.xml.php): Failed to open stream: No such file or directory in /var/www/html/nuvole.app/services/cron/index.php on line 6

Fatal error: Uncaught Error: Failed opening required 'sitemap.xml.php' (include_path='/var/www/html/nuvole.app:/var/www/sourceui') in /var/www/html/nuvole.app/services/cron/index.php:6
Stack trace:
#0 /var/www/html/nuvole.app/_engine/php/static/static.nuvole.php(407): require_once()
#1 /var/www/html/nuvole.app/index.php(38): nuvole::getSyncStartResponses()
#2 {main}
  thrown in /var/www/html/nuvole.app/services/cron/index.php on line 6