Can create commercial invoice but not able to generate proforma invoice
My is export kind of scenario where in I create a sales order and do the OBD through moment type 601 and then create invoice ,
Issue is I am able to generate the commercial invoice but then when i try to create the proforma invoice i get the following error "000010 Item category LF ZOON cannot be invoiced with billing type ZP"
ZP IS my delivery related proforma type,
Kindly help me resolve this issue