You have created your own custom 'Account Assignment Category' in the SSCUI 102914 'Maintain Account Assignment Categories' choosing the free letter 'R' for your configuration. After wards you try to create a Purchase Order via API_PURCHASEORDER_PROCESS_SRV using the new 'Account Assignment Category' in the payload. The posting fails with error "Account Assignment Object is required for processing".
SAP S/4HANA Cloud All versions
T163K, KNTTP, API_PURCHASEORDER_PROCESS_SRV, CRMS4_SRV_PO_CHECK_REFERENCE. , KBA , MM-PUR-PO , Purchase Orders , Problem
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