Solution : https://service.sap.com/sap/support/notes/1007368 (SAP Service marketplace login required)
Key words :
alm-bapi downgrade kit, attached correction instructions, bapi_alm_order_maintain bapi, maintenance order, service order, system issues, error message, terms saplnwbt, afabd-aplzl_nch, afabd-aplzl_vor
Related Notes :
| 899982 | You cannot change relationship using BAPI |
| 708508 | Downgrade BAPI_ALM_ORDER_MAINTAIN -> errors |