How To Fix V2006 - Currencies deviate from each other. &1 and/or &2 (reference)

SAP Error Message - Details

• Message type: E = Error

• Message class: V2 - Kopierfunktionen der Verkaufsbelegbearbeitung

• Message number: 006

• Message text: Currencies deviate from each other. &1 and/or &2 (reference)

What causes this issue?

The reference document currency is not the same as the target document
currency.

How to fix this error?

Select a reference document which has the same currency as the target
document or change the currency of the target document so that the
currencies of both documents match.

Error message extract from SAP system. Copyright SAP SE.