Amendment in Core Fields

I have 2 gst registration registered at 2 different address.

Now m amending core fields for both registration with new address . New address for both registration is same .

Amendment was successful for 1 of the registration and for 2nd it is showing error

"We are facing technical issues , please try again later" . This error is coming at uploading stage after signing with DSC .

Please provide solution if anyone is having 👆