Solution : https://service.sap.com/sap/support/notes/802113 (SAP Service marketplace login required)
Key words :
customer-specific exit functions, attached correction improves performance, payment document clears, assignment mechanism flqad, flqac assignment mechanism, document line items, assignment step takes, assignment step, liquidity items, liquidity calculation
Related Notes :
879315 | No evaluation of cross-company code invoices |
848831 | Permitted changes in the exit for invoices |