3502065 - Error 'KO 438' when releasing a Production Order

The following error message appears when releasing a Production Order:
KO 438 "No profit center entered, although profit center accounting is active".

SAP S/4HANA Cloud Public Edition

The profit center was maintained accordingly in the Material Master, Costing 1 view for the material.

However, in the Production Order the 'Profit Center' field is empty at the 'Assignment' tab.

Enter the profit center on the "Assignment" tab in the Change Production Order app for the corresponding Production Order.

Error KO 438, KO438, Production Order, release, profit center, accounting, active, costing, assignment , KBA , PP-SFC-EXE-CON-2CL , Confirmation (Public Cloud) , How To