Warning: mysql_connect(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /home/cr_master_5/hewillprovide.org/giving/sponsorship/db.php on line 7

Warning: mysql_connect(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /home/cr_master_5/hewillprovide.org/giving/sponsorship/db.php on line 7
I cannot connect to the database because: php_network_getaddresses: getaddrinfo failed: Name or service not known