SAP Message REXCJP416 - Different cost element cannot be defined for same key fields (& &<>& &)

Diagnosis The defined cost element (Cost Center, WBS Element, Order)differs from the cost element defined for the same keys. This fieldneeds to contain the same entry as the other entries with the same key. Procedure Modify the cost element in the currently processed line. If you want tomodify the cost element in all entries with the same key field, you haveto modify them now.