Wrong Gstin no

Sujit Bangera (accounts executive) (20 Points)

01 December 2021  
gstin no is wrongly uploaded for the month of Dec 20, instead of 02 we have uploaded on 33 but both the gstin are of the same customer.
but customer has taken the credit in 02
since the amendment for the fy 20-21 has been closed
plz advise solution for the same