Transaction currency &3 is not equal to budgeting currency &4

What causes this issue?

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 the
controlling area currency &V4&.

System Response

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

How to fix this error?

Enter &V4& as the transaction currency. You can also leave the currency
field empty. The controlling area currency &V4& is then automatically
used as the transaction currency.

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