Forum Post: RE: Error The state of the source document or source document line could not be updated when invoicing a Prepayment Invoice

Please check all the PO lines. Some PO line item/category is not linked with some ledger account or the ledger account is not mapped in the COA structure. So system is not taking that ledger account. So please check and do the needful and try again this issue should be resolved. To check the account distribution PO Line >> Financials >> Distribution