Currency of ouline agreement (&) cannot be transferred

What causes this issue?

The currency in the outline agreement cannot be copied, since the
currency has been set in Customizing as an expiring currency.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Check the currency in the outline agreement, and convert it to a new
currency where necessary.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.