SAP Message G00839 - The value for permanently fixed char &1 is now ambiguous

Diagnosis
After the breakdown check the value of the permanently fixedcharacteristic &V1& is no longer unambiguous.

System Response
According to the document type, the fixing must remain permanent.Therefore, the previous value of &V2& will be kept. The document canonly be posted after the inconsistencies in the line items are removed.

Procedure
Correct the line item assignments so that a unique value exists in theentire document for all line items that are broken down bycharacteristic &V1&.