Create returns purchase order using transaction MEPO

What causes this issue?

Returns stock transport orders for store returns with outbound and
inbound delivery can only be created with transaction <LS>MEPO</>.
Returns purchase orders or returns stock transport orders for Advanced
Returns Management can only be created with transaction <LS>MEPO</>.

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.