Solution : https://service.sap.com/sap/support/notes/1269322 (SAP Service marketplace login required)
Key words :
alm bapi downgrade kit, relevant correction instructions, function auart_inst_authority_check reason, bapi bapi_alm_order_get_detail, terms bapi, function ingrp_inst_authority_check, function ibapi_h_order_read, function alm_authorithy_chech, function ibapi_alm_order_display_single, function iwerk_inst_authority_check
Related Notes :
| 1149099 | Authorization check BAPI_ALM_ORDER_MAINTAIN HEADER |
| 1053656 | PM/CS order: Authorization check does not work |
| 949654 | BAPI_ALM_ORDER_GET_DETAIL does not return WBS element |