SAP Message 67_LOAN_WRITE_OFF045 - Posting control for flow & was changed to "manual"

Diagnosis
You have created a waiver or a write-off.

System Response
The following message appeared:
Posting control for flow & was changed to "manual"

Procedure
An incorrect posting control key has been entered in the Customizingsettings for the corresponding flow type. The current version of thisprogram only allows manual posting of the waiver, but not automaticposting by the debit position run. The program overwrote the setposting control parameter with '21' (= manual debit position run).
To prevent this message from appearing in the future, you need to setthe posting control parameter in the flow type Customizing for therespective waiver and write-off flow types to '21'.