Solution : https://service.sap.com/sap/support/notes/603724 (SAP Service marketplace login required)
Key words :
-party supplier implementation remains independent, -party supplier implementation determines, wy_knvk_ref_objtype_id function module call, addr_reference_get function module returns, -party supplier implementation, remains syntactically correct, -party supplier implementations, returns po_ref_objtype = 'kna1', addr_reference_get function module, function module returns
Related Notes :
| 502646 | Navigation after duplicate check |
| 196958 | Collective note: Errors in interface for duplicate check |