Solution : https://service.sap.com/sap/support/notes/1166092 (SAP Service marketplace login required)
Key words :
BAPI_INTERNALORDER_CREATE, BAPI_TE_AUFK, LENGTH, OUTPUT-LENGTH, DATS, PACKED FIELDS, INTLEN, MAP_USER_FIELDS
Related Notes :
| 1648523 | BAPI_INTERNALORDER_CREATE CI_AUFK: Gepackte Felder |
| 992880 | BAPI_INTERNALORDER_CREATE: Transfer EXTENSIONIN fields |
| 509898 | BAPI enhancement concept and Unicode |