Posting error on purchase Invoice

anand_sri12

Dear All

I am Posting a Purchase Invoice. There are 2 items and 1 Charge
(Item) i.e. freight Inward in this invoice. On purchase line for the
charge (Item) after look up, qty to assign field I have assigned Item
Charge assignment(Purch) and also suggested Item charge
assignment for that,now when I am posting this invoice it is
saying "Appl.-to Item Entry must not be 0 in
Reservation Entry Entry No..='1581',Positive='Yes'"

anand_sri12

Will somebody help?
Its urgent