WowAce

What steps will reproduce the problem?
1.  Running with no other mods installed except cube error frame
2.  Enter Config mode for the mod
3.

What is the expected output? What do you see instead?
The frames all appear but I am getting a xml error logged in cube

What version of the product are you using?
1.60

Do you have an error log of what happened?

Interface\FrameXML\TextStatusBar.lua:42: attempt to compare number with nil:
Interface\FrameXML\TextStatusBar.lua:42: in function `TextStatusBar_UpdateTextStringWithValues':
Interface\FrameXML\UnitPowerBarAlt.lua:450: in function `UnitPowerBarAltStatus_UpdateText':
Interface\FrameXML\UnitPowerBarAlt.lua:257: in function `UnitPowerBarAlt_SetDisplayedPower':
Interface\FrameXML\UnitPowerBarAlt.lua:107: in function `UnitPowerBarAlt_OnUpdate':
<string>:"*:OnUpdate":1: in function <[string "*:OnUpdate"]:1>

Please provide any additional information below.