Rendering Error in layout Message/Item: array_keys(): Argument #1 ($array) must be of type array, null given. Please enable debug mode for more information.
On the subject of changing the exposure settings for live video, when you make a setting change, you then have to first do a preview before the live video will pick up the settings. I think I posted about this some time back, but since I found the work around, it wasn't high on the list to look at further.