3684790 - Error KI249 in Purchase Requisition Creation

The error message "Enter only one true account assignment" occurs when creating purchase requisitions.

SAP S/4HANA Cloud Public Edition

1. Use transaction ME21N or Manage Purchase Orders.
2. Apply standard account assignments derived from the material master record.
3. Attempt to use both WBS elements and cost centers for purchase orders.
4. Observe error KI249 "Enter only one true account assignment".

WBS and GL account both seems True Controlling Objects one has to be statistical.

Review the account assignment settings and ensure that only one real CO object is assigned to the purchasing documents.

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