> ## Documentation Index
> Fetch the complete documentation index at: https://moengage-unity-sdk-initialization-split.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-unity-sdk-initialization-split/OstTlkNxT-HYB_-S/images/moengage_1cbc9b.png?fit=max&auto=format&n=OstTlkNxT-HYB_-S&q=85&s=922a3c0d3e5729cf11a8ef577eaf1d5f" 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-unity-sdk-initialization-split/d4cA3fqbzAaS1Beb/images/moengage_f42493.png?fit=max&auto=format&n=d4cA3fqbzAaS1Beb&q=85&s=dc981d65f10ab03df87f10287e6e9e1f" 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.