SAP Message BP418 - Changes to the budgeting currency affect already budgeted objects

Diagnosis
You have changed the budgeting currency from "Controlling areacurrency" to "Object currency" or "user-selected currency". This changeaffects orders or projects that have already been budgeted.

Procedure
Check whether the change affects orders or projects created before4.0A. If this is the case, you are not allowed to change the budgetingcurrency. Your budget values in the object currency are otherwise notdisplayed correctly.