> ## Documentation Index
> Fetch the complete documentation index at: https://moengage-sdk-deprecated-versions-all-platforms.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Why Is the Countdown Timer in OSM Static?

> OSM countdown timer not working? This issue occurs when invalid characters are used during campaign configuration. Learn how to fix it in MoEngage.

## Problem

The countdown timer in the OSM campaign is static and not working properly.

<img alt="421.png" src="https://mintcdn.com/moengage-sdk-deprecated-versions-all-platforms/EwOHXdMkMazUDLiI/images/moengage_3710f7.png?fit=max&auto=format&n=EwOHXdMkMazUDLiI&q=85&s=219c4bc72d36617dec534c1cf9f67bc4" width="748" height="292" data-path="images/moengage_3710f7.png" />

## Cause

This issue occurs during campaign configuration when an invalid character is used to set the timer countdown.

<img src="https://mintcdn.com/moengage-sdk-deprecated-versions-all-platforms/2S_NtlExrHGRF8Ce/images/moengage_599858.png?fit=max&auto=format&n=2S_NtlExrHGRF8Ce&q=85&s=2a61a118e5466d11f062e0c7eb6af601" width="1600" height="1600" data-path="images/moengage_599858.png" />