Warning: mysqli::mysqli(): (HY000/2003): Can't connect to MySQL server on '10.99.0.3' (113) in /var/www/html/system/database/dbmysqli.php on line 6

Fatal error: Uncaught exception 'ErrorException' with message 'Error: Could not make a database link (2003) Can't connect to MySQL server on '10.99.0.3' (113)' in /var/www/html/system/database/dbmysqli.php:9 Stack trace: #0 /var/www/html/vqmod/vqcache/vq2-system_library_db.php(12): DBMySQLi->__construct('10.99.0.3', 'dso_db_connect', 'v+aLgQbJ:T:aGej...', 'doorstep') #1 /var/www/html/index.php(78): DB->__construct('dbmysqli', '10.99.0.3', 'dso_db_connect', 'v+aLgQbJ:T:aGej...', 'doorstep') #2 {main} thrown in /var/www/html/system/database/dbmysqli.php on line 9