Unsuccessful Enps Registration Complaints & Reviews

I completed my eNPS form and went ahead to complete the payment but it was not successful. Now when I retry the payment it has been showing below error form yesterday
"The response from the Payment Gateway for the payment attempt against this acknowledgement number is awaited. We request you to wait for the re-try of payment process for registration in NPS ....

Why i am not able to make the first payment on eNPS account ?...