Solution : https://service.sap.com/sap/support/notes/455273 (SAP Service marketplace login required)
Key words :
system issues error message ff805 'tax statement item missing, additional key words accounting, tax code &', 0% tax code, transfer invoices, aclpay idoc, solution implement, accounting, prerequisites, modification
Related Notes :
979342 | IDoc ACLPAY: Error FF 805 for zero tax |
210137 | IDoc ACLREC / ALCPAY and problems w/taxes (FF804 and others) |