Alt Power Bar Error

Message: Interface\FrameXML\UnitPowerBarAlt.lua:56: Usage: GameTooltip:SetText("text" [, color, wrap])
Time: 08/26/17 15:04:04
Count: 5
Stack: Interface\FrameXML\UnitPowerBarAlt.lua:56: Usage: GameTooltip:SetText("text" [, color, wrap])Interface\SharedXML\SharedBasicControls.lua:189: in function <Interface\SharedXML\SharedBasicControls.lua:187>
Interface\SharedXML\SharedBasicControls.lua:204: in function <Interface\SharedXML\SharedBasicControls.lua:203>
[C]: ?
[C]: in function `SetText'
Interface\FrameXML\UnitPowerBarAlt.lua:56: in function `UnitPowerBarAlt_OnEnter'
[string "*:OnEnter"]:1: in function <[string "*:OnEnter"]:1>

Locals: errorTypeCVar = "scriptErrors"
warnType = false
msg = "Interface\FrameXML\UnitPowerBarAlt.lua:56: Usage: GameTooltip:SetText("text" [, color, wrap])"
messageType = 0
hideErrorFrame = false
IsErrorCVarEnabled = <function> defined @Interface\SharedXML\SharedBasicControls.lua:183