Warning: mysql_connect(): The server requested authentication method unknown to the client [mysql_old_password] in /home/ithausli/public_html/ng/classes/gen.php on line 17

Warning: mysql_connect(): The server requested authentication method unknown to the client in /home/ithausli/public_html/ng/classes/gen.php on line 17
I cannot connect to the database because: The server requested authentication method unknown to the client