SAP Message UCT8035 - Mapping rule for &1, row &2: Use source field or constant, but not both

Diagnosis
The mapping rule for target field &V1& contains a move in row &V2&. Inthe details of the move, a row has been defined that contains both aconstant and a source field. However, a row must contain only one of thetwo.

System Response
The settings cannot be saved. The system issues this error message.

Procedure
In the details of the move, find the row that contains both a constantand a source field/attribute. Then delete one of the two. Alternatively,cut and paste the constant or the source field/attribute to a differentrow in order to concatenate the two.