Solution : https://service.sap.com/sap/support/notes/735703 (SAP Service marketplace login required)
Key words :
system issues error message iwo_bapi127, attached correction instructions, user status, service orders, bapi bapi_alm_order_maintain, technically completed, user statuses, transaction iw32, terms iwo_bapi, bus2007a reason
Related Notes :
1017740 | Order is not locked in change mode using BAPI |
735696 | Notes for Downgrade Kit ALMBAPI: Relevance |