--- alias: user-guide-unship-material description: "Revert material shipment by undoing a prior shipping operation, meeting specific conditions" --- # Unship Material :lock: Material.**Unship** ## Overview This operation is used to revert a *Ship Material* operation, in case a **Material** has been shipped by error. ## Setup No special setup is required other than to meet the preconditions of the transaction. ## Preconditions * **Material** is Active, and it has no Parent **Material** - that is, it is a Topmost **Material**. * **Material** is In Transit. * If **Material** is Terminated, it must have been shipped to a local **Facility** with the Terminate On Ship option set to `true`. * For all the selected **Materials** to be shipped with a Material Package Count greater than zero, considering the complete hierarchy (consider only Active Packages) of all the **Packages** that reference those **Materials**, those **Packages** in their hierarchy must not include other **Materials**, and the Top-Level **Packages** must be in System State Closed. ## Sequence of Steps ### Step 1 1. Verify the **Material** information. 2. Optionally, enter a comment. 3. Press **Unship** to complete the operation. !!! note It is possible to select multiple **Materials** before entering the wizard. ![unship_material][unship_material] [unship_material]: images/unship_material.png