SAP Message 56793 - Expense type &: Wage type & may only be used for cash advance

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

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 cash advance, and change the wage type for these travelexpense types.