# Twitch overlay extension

**URL:** <https://discuss.dev.twitch.com/t/twitch-overlay-extension/24185>\
**Category:** Extensions\
**Created:** [February 20, 2020, 8:17am UTC](https://discuss.dev.twitch.com/t/twitch-overlay-extension/24185 "2020-02-20T08:17:05Z")\
**Posts on this page:** 1\
**Showing post:** 41

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**Author:** ![BarryCarlyon](https://d3ovvz0v2ajtpu.cloudfront.net/user_avatar/discuss.dev.twitch.com/barrycarlyon/32/253_2.png) [@BarryCarlyon](https://discuss.dev.twitch.com/u/BarryCarlyon)\
**Post date:** [February 24, 2020, 5:05pm UTC](https://discuss.dev.twitch.com/t/twitch-overlay-extension/24185/41 "2020-02-24T17:05:22Z")

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Then you need to debug the issue.

Most commonly you have uploaded a zip containing a folder of files  
Instead of a zip containing the files

> [@\[SOLVED\] 404, The specified key does not exist](https://discuss.dev.twitch.com/t/solved-404-the-specified-key-does-not-exist/11921):
>
> So I have been working on a panel extension for my stream and I got past the local testing, everything was working fine. I uploaded the files in a .zip to Twitch. I followed all the guides, made sure to include the extension helper JS file, but I am getting a 404 error when it tries to load the extension files form the Twitch CDN. I have tried created a new extension and uploaded the example project that Twitch has in the documentation to see if the issue would still happened and it did. I’m no…

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