Hi,
Message you are getting as available Price in PO already Invoiced!
Well, you have mentioned quantity in PO, quantity in GR and quantity in Invoice. But what about value in which each documents are created/posted?
Mentioned Price in Each Case:
Case-1:
PO - 30 qty ------ Price?
Gr/Ir - 10 qty ------ Price?
Invoice - 10 qty------ Price?
Case-2:
Later for remaining qty,
Gr/ir - 20 qty------ Price?
Invoice - 20 qty------ Price?
Regards,
Biju K