An Error Was Encountered

Connection to the database has been failed. Please check login credentials: DB host, DB port, username, and password. Also check that database server is up and running. If that won't help, please contact support for assistance and forward the following error message to them:

Error: php_network_getaddresses: getaddrinfo failed: Name or service not known in /home/bsbg9fkxmdnc/public_html/package/admin/application/ci_zend/Zend/Db/Adapter/Mysqli.php line 368