Diagnosis
In the IMG activity Assign wage types to travel expense types forindividual receipts (V_T706B 4), this travel expense type isassigned a wage type that is already used for a travel expense type fornon-cash advance.

Procedure
Change the wage type of the travel expense type and check to see ifthis wage type has also been used for other expense types that are notassigned to non-cash advance, and change the wage type for theseexpense types.