---
title: "ERROR WHEN GENERATING THE LABEL: THE SELECTED CARRIER IS NOT ALLOWED TO CREATE SHIPMENTS"
description: "ERROR WHEN GENERATING THE LABEL: THE SELECTED CARRIER IS NOT ALLOWED TO CREATE SHIPMENTS"
---

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October 25, 2026

# ERROR WHEN GENERATING THE LABEL: THE SELECTED CARRIER IS NOT ALLOWED TO CREATE SHIPMENTS

When generating the label, the error message below is displayed: 

*"An error occurred when validating input: The provided shipper is not allowed to create shipments."*

 

This message may mean that you are trying to generate a label with a carrier account that is no longer valid or never was. For example, you changed your carrier contract number but kept the carrier mapping for the old contract. As a result, labels will still be generated with the old contract number, causing this error message. 

 

This message may also mean that the service with which you are trying to generate the label, for example GLS Flex Delivery, is not enabled for your carrier account, so you cannot ship with it. 

 

✅**Solution:** 

We suggest that you update your carrier mapping rules so that the carrier calculated for orders is the one corresponding to the new contract, or contact your account manager at the carrier concerned to find out whether the service with which you are trying to ship is enabled. 

 

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