Solution : https://service.sap.com/sap/support/notes/1149099 (SAP Service marketplace login required)
Key words :
incorrect transaction code, maintenance planner group, system transfers, authorization check, default plant, cost center, terms swerk, authority-check, form v_check_order_authority, include libapi_hf36
Related Notes :
1269322 | Authorization check missing in BAPI_ALM_ORDER_GET_DETAIL |
819411 |