Filling in Table no. 12 in GSTR1 in accordance of new advisery

We fabricate Men’s shirt on job work – job work – textile products san 9988 –

We send  Men’s shirt after fabrication to the principal under Delivery challan  duly generating invoice  in HSN 6205 .

 We then raise Tax Invoice for service charge under san 9988 and complete tChallanhe transaction.

Today while preparing  GSTR1 for August 21 , we find that while filling Table 12 HSNwise summary of outward supply , the offline tool of the portal does not accept any input in UDC (saying NA) and total quantity  ( NOT ACCPTI ANY INPUT )

Doe that mean in in service code 9988 UDC and total quantity is not applicable.

Screen shot attached.  Solution will be appreciated