Ah, gotcha. If you have the console open at the time when the warning is triggered, you should be able to get a backtrace by clicking on the arrow beside the wa

Ah, gotcha. If you have the console open at the time when the warning is triggered, you should be able to get a backtrace by clicking on the arrow beside the warning -- that will show you whereabouts in the code the problem is. At least that's how it works in Chrome, I think Firefox does the same.