THIS IS ALL THE CODE IN THE ANIMATION TAB

function(progress, r1, g1, b1, a1, r2, g2, b2, a2)
    local stack = (select(4, UnitAura("player", "Incanter's Flow"))) or 0
    if stack > pstack then
        pstack = stack
        lastColor = 1
        return 0,1,0,1
    elseif stack < pstack then
        pstack = stack
        lastColor = 2
        return 1,0,0,1
    elseif lastColor == 1 then
        return 0,1,0,1
    elseif lastColor == 2 then
        return 1,0,0,1
    end
end



THIS IS ALL THE CODE IN THE ACTIONS TAB

pstack = 0
lastColor = 1



THIS IS THE LUA ERROR MESSAGE

Message: Interface\AddOns\WeakAuras\RegionTypes\icon.lua:193: Usage: <unnamed>:SetAlpha(alpha 0 to 1)
Time: 08/03/15 16:37:35
Count: 22477
Stack: [C]: ?
[C]: in function `SetAlpha'
Interface\AddOns\WeakAuras\RegionTypes\icon.lua:193: in function `Color'
Interface\AddOns\WeakAuras\WeakAuras.lua:4274: in function <Interface\AddOns\WeakAuras\WeakAuras.lua:4202>

Locals: