Copying is not possible for invoices with invoice category &1

What causes this issue?

You cannot copy invoices of the following invoice categories:
1 # Evaluated receipt settlement
2 # Evaluated receipt settlement (zero document)
5 # Invoice cancellation
6 # Invoicing plan
8 # Revaluation

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?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.