Line item & canceled even though currency type & is inactive

What causes this issue?

You tried to cancel the line item with the docuemnt number &v1&. This
line item has the currency type "&v2&", which is not active in
operating concern &v3&.
Most likely, this currency type was active in your system when the line
item was posted.

System Response

The line item is still canceled.

Error message extract from SAP system. Copyright SAP SE.