Solution : https://service.sap.com/sap/support/notes/335918 (SAP Service marketplace login required)
Key words :
optional table parameter efxvbpa, bapisdkey key table technique, additional key words, reference type vbpavb, mobile sales solution, attached program corrections, prerequisites solution 1, address number, external keys, /3-internal keys
Related Notes :
| 335929 | External address key in the BAPI interface (DDIC) |