Warning: mysql_connect(): The server requested authentication method unknown to the client [mysql_old_password] in /home/timgrant/public_html/ar/inc/db.php on line 7

Warning: mysql_connect(): The server requested authentication method unknown to the client in /home/timgrant/public_html/ar/inc/db.php on line 7
I cannot connect to the database because: The server requested authentication method unknown to the client