> ## Documentation Index
> Fetch the complete documentation index at: https://moengage-doc-2298-s2s-type-case-sensitive.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Why Does the Default SMS Connector Error Occur When Creating a Campaign?

> Resolve the default SMS connector error when creating campaigns by configuring and marking a default connector in MoEngage sender settings.

## Problem

The following error is displayed during the SMS campaign creation:

No default SMS connector is configured. Please set a default SMS connector and proceed.

<img alt="131313.png" src="https://mintcdn.com/moengage-doc-2298-s2s-type-case-sensitive/UqpZ5Z0TWMUJhlPT/images/moengage_1cbc9b.png?fit=max&auto=format&n=UqpZ5Z0TWMUJhlPT&q=85&s=b419303869a15d904a61b517476438c1" style={{ width:"47%" }} width="906" height="1060" data-path="images/moengage_1cbc9b.png" />

## Instructions

* You must configure an SMS connector to use SMS campaigns.
  1. On the left navigation menu in the MoEngage dashboard, go to **Settings** > **Channels** > **SMS** > **Sender configuration**.
  2. Hover over the required connector and click the ellipsis icon.
  3. Click **Mark as default**.

     <img src="https://mintcdn.com/moengage-doc-2298-s2s-type-case-sensitive/t8nWeIp6bzoDZTH8/images/moengage_f42493.png?fit=max&auto=format&n=t8nWeIp6bzoDZTH8&q=85&s=218d7ee05d5b04fe07ac9ba8de10df03" alt="" width="1600" height="487" data-path="images/moengage_f42493.png" />
* MoEngage supports multiple connectors, but you must select one as the default.
* You will encounter this error if you haven't set a default connector. Setting one as the default will resolve the issue.