In Anonymous Portal not showing Error for logon Area

Hello All,

As per my scenario, I have created Anonymous portal like SDN using default par file. In this page have option to login to the portal like member login. When i give the user id is incorrectly, it is not showing the error message. Its shows normal page again.Without any customization of logon part i used in this anonymous portal page. How can i rectify this?

Helpful answers can rewarded

Regards,

Aksiti