Solution : https://service.sap.com/sap/support/notes/767454 (SAP Service marketplace login required)
Key words :
incorrect open credit values, billing status 'fully invoiced', terms incorrect credit, vbup-fksaa = 'c', open credit values, status fully invoiced, attached program correction, fully invoiced, billing status, open credit
Related Notes :
| 801834 | |
| 735791 | Composite SAP Note: Credit update incorrect, 500 |