> ## 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 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-unity-sdk-initialization-split/B-H8ECfEYu6COfPW/images/moengage_3710f7.png?fit=max&auto=format&n=B-H8ECfEYu6COfPW&q=85&s=23c45dc997694233816e3aa3dac7c89b" 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-unity-sdk-initialization-split/5iJn28DXE2lmM7ax/images/moengage_599858.png?fit=max&auto=format&n=5iJn28DXE2lmM7ax&q=85&s=b3984bceadaff086e872aefd2d2da0f5" width="1600" height="1600" data-path="images/moengage_599858.png" />