WowAce

On joining a raid the latest version (4.4.0) of the addon generated a large number of LUA errors - the following occured a couple of times a second.

396x ...ace/AddOns/ShadowedUnitFrames/modules/indicators.lua:276: bad argument #1 to 'SetAlpha' (Usage: self:SetAlpha(alpha))
[string "=[C]"]: in function `SetAlpha'
[string "@Interface/AddOns/ShadowedUnitFrames/modules/indicators.lua"]:276: in function <...ace/AddOns/ShadowedUnitFrames/modules/indicators.lua:270>

Locals:
(*temporary) = Texture {
 0 = <userdata>
 status = "ready"
 enabled = true
}
(*temporary) = -0.000667