Solution : https://service.sap.com/sap/support/notes/606234 (SAP Service marketplace login required)
Key words :
bapi function module bapi_incominginvoice_getdetail, respective account assignment line, account assignment data, account assignment, account assignments, incoming invoice, parameter accountingdata, total amount, invoice item, field 'amount
Related Notes :
| 549921 | BAPI GetDetail: Incomplete address data (CPD) |
| 529677 | |
| 459524 | BAPIs: Address data (customer data), different payee |