WebGL is an API library that we use to render graphics in our videos. Lumen5 relies on WebGL in a lot of its features so it's critical that your device can support the required version of WebGL. However, even if you have the right version running on your device, sometimes WebGL support can be lost due to various reasons and that could prevent you from being able to edit your videos.

Good news is that you can usually restore WebGL support on your own. Here are some options you can try to troubleshoot:

Refresh the page where Lumen5 is open
Close other tabs or browser windows
If you're using a laptop, plug in your charger
Restart your computer
Update your browser to the latest version
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