SAP Message 56791 - Expense type &1: Use wage type &2 for nonpayable receipts only

Diagnosis
In the IMG activity Assign wage types to travel expense types forindividual receipts (V_T706B 4), this travel expense type isassigned to a wage type that is already used for a travel expense typethat is not to be reimbursed, in other words, that is paid by thecompany or is taxed but is not paid out.

Procedure
Change the wage type of the travel expense type and check to see ifthis wage type is also used for other travel expense types for whichthe respective amounts are not to be reimbursed. Change the wage typefor these expense types.