Once you create a shipping label, you cannot edit it. If you need to change the address, shipping service, weight, or other shipping information, you will need to create a new label. Before you create a new shipping label, you have to void the existing label for the order first. Carriers will issue a refund for voided label according to their refund policies.
Step by Step Guide
Simply navigate to the Sales Order page and click the Void Label button in the Shipments section at the bottom of the page. After confirming your request, the Void Label button becomes a Create Shipping Label button so any errors can be corrected on the new label.
Orders that will not require creation of a new shipping label should be Excluded so Cahoot doesn't expect that a shipping label is missing for that order. Simply use the Exclude Order button that becomes visible at the top of the Sales Order page after the shipping label has been voided: