Warning: require(/opt/vmdns/api/config.php): Failed to open stream: No such file or directory in /var/www/html/includes/db.php on line 3

Fatal error: Uncaught Error: Failed opening required '/opt/vmdns/api/config.php' (include_path='.:/usr/local/lib/php') in /var/www/html/includes/db.php:3 Stack trace: #0 /var/www/html/includes/auth.php(3): require_once() #1 /var/www/html/includes/header.php(2): require('/var/www/html/i...') #2 /var/www/html/index.php(2): require('/var/www/html/i...') #3 {main} thrown in /var/www/html/includes/db.php on line 3