Diagnosis
In budget profile &V1& for WBS element &V2& you have chosen the"controlling area currency" as the budgeting currency.
The transaction currency &V3& that you entered differs from thecontrolling area currency &V4&.

System Response
The line entered can only be posted in transaction currency &V4&.

Procedure
Enter &V4& as the transaction currency. You can also leave the currencyfield empty. The controlling area currency &V4& is then automaticallyused as the transaction currency.