Warning: mysql_connect(): The server requested authentication method unknown to the client [mysql_old_password] in /home/thebr16/public_html/includes/my_functions.php on line 9

Warning: mysql_connect(): The server requested authentication method unknown to the client in /home/thebr16/public_html/includes/my_functions.php on line 9
I cannot connect to the database because: The server requested authentication method unknown to the client