SAP Message 8Z239 - Cannot adjust G/L account &

Diagnosis
The Customizing settings are incorrect.

System Response
The system cannot adjust the G/L account for the comparison period.

Procedure
Check whether the account master record contains an inflation key. Ifso, the system will attempt to adjust amounts from the comparisonperiods with the inflation index defined for the company code.
Make sure that you have maintained the inflation key properly and thatyou have filled out the inflation index for the entire period coveredby the adjustment.
If you do not want the account to be adjusted, delete the inflationkey.