Tnvelaivaaippu — User id not valid

Dear Sir,
While I am trying to open my TNVELAIVAAIPPU for Renewal of my Registration It shows the Error as User Id Not Valid or Incorrect.
But I have Entered as per Registration Number given on My Card..
Kindly Resolve and help me to Complete my Renewal..
Registration Number:MDP2018F00016049
Date of Birth:[protected]
Email Id:[protected]@gmail.com

Herewith I Enclosed the screenshot of error for your Reference..

Kindly do the Needful...