Tran -1 -- error message " registration no. is invalid

sujit naha (accountant) (350 Points)

11 November 2017  

Today Try to submit TRAN - 1 at section of State/Ut for Vat credit balance carry forward to GST

But after select Save Button , an Error Message appeared >>> Your Vat Registration No. is Invalid and Status is Processed Error -

I have already checked 20 times of our Vat Registration No .and found Ok ---

So many times try to Submit TRAN -1 but every time appeared same error message  ---

How to submit this ????