Errors while doing mahavat registration

I am doing my mahavat registration on 1 March and I received a mail that your username and password will send to you mail id but I didn't received any mail for the same and raised a ticket but they gave same reply, but today after sometime when I have try to apply again then error show that all your tin are cancel create your temporary account  using option register as in active or cancel dealer. I have also tried this but at that Page there is a column for tin no, so what to mention in this coloum or please advise my how to solve this issue. Please find attachment below.