Solution : https://service.sap.com/sap/support/notes/992880 (SAP Service marketplace login required)
Key words :
customer-defined fields correctly, extensionin parameter table, source code error, source code corrections, attached correction instructions, customer-specific enhancements, bapi_internalorder_create function module, master data table, master data, terms bapi_internalorder_create
Related Notes :
| 1648523 | BAPI_INTERNALORDER_CREATE CI_AUFK: Gepackte Felder |
| 1166092 | BAPI_INTERNALORDER_CREATE: Packed fields |
| 872180 | BAPI_INTERNALORDER_CREATE: EXTENSIONIN fields moved |