I have this error and i dont know what to do....

Warning: mysql_connect(): Unknown MySQL Server Host '%SQL_HOST%' (3) in /hsphere/local/home/model9k/humanart.net/pedro/xcart/include/func.php on line 43

Warning: mysql_select_db(): Access denied for user: 'httpd@localhost' (Using password: NO) in /hsphere/local/home/model9k/humanart.net/pedro/xcart/include/func.php on line 47

Warning: mysql_select_db(): A link to the server could not be established in /hsphere/local/home/model9k/humanart.net/pedro/xcart/include/func.php on line 47
Could not connect to SQL db

Can anyone help me ill give u more expecific details of it