On BCC, multiple characters are seeing:
3x IceHUD\IceHUD-1.13.14.lua:803: attempt to get length of global 'UnitPopupFrames' (a nil value)
[string "@IceHUD\IceHUD-1.13.14.lua"]:803: in main chunk
as soon as they login. I was previously running 1.13.14-alpha1 without issues.