Huf return upload error

Please log in to your account and update principal contact details.

Afetr that, submit your return.

i was facing same problem 2 days ago....... update principal contact details and add pan of karta of the huf......then regenerate xml file ......!!

Yes , update Principal Contact Details

i.e . PAN given in Principal Contact details must be Kartha individual PAN (Ex:  AAAPK1234A)

and same PAN is given in verification details

thank to all it work