&1: Open reservation exists for replenishment object

What causes this issue?

Replenishment object &V1& has open reservations

System Response

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

How to fix this error?

Ensure that no open reservations exist for the replenishment object &V1&

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.