Channel layout
A channel layout is a combinaison of several audio channels.
It most used to describe the audio channels of a video file and provide spatialization for your file.
The error modal
If you select a clip whose channel layout is not supported, you will see the following error modal:

How to fix it
There is no current way to fix this error.
If you encounter this problem frequently, please contact us with your file so we can add support for it.