SAP Message RECDCH004 - Account symbol &1 is not defined in Customizing

Diagnosis
In the account determination table, a flow type refers to an accountsymbol that does not exist. This account symbol may have been deleted.

System Response
Errors occur when you try to post with this flow type.

Procedure
Assign a valid account symbol to the flow type inaccount determination, or define theaccount symbol and assign anaccount to it.