&1: Planned orders and purchase requisitions cannot be archived

What causes this issue?

Replenishment object &V1& is a planned order/purchase requisition

System Response

Replenishment object &V1& and all subsequent replenishment objects are
ineligible for archiving.

How to fix this error?

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

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.