ouf UnitHealth("unit") pet health error

[Toragon]

I am get a error on my party pet Health and cannot figure out what i am doing wrong.
Can Some one please help me.

I am using the ouf off git site and i am testing it on the ptr.

684x oUF-1.4.3\elements\health.lua:78: Usage: UnitHealth("unit")
oUF-1.4.3\elements\health.lua:78: in function <oUF\elements\health.lua:76>

Locals:
self = <unnamed> {
 0 = <userdata>
 ForceUpdate = <function> @ oUF\elements\health.lua:69:
 frequentUpdates = true
 PostUpdate = <function> @ oUF_AMF\common.lua:67:
 value = <unnamed> {}
 __owner = oUF_PartyUnitButton4Pet {}
 bg = <unnamed> {}
 colorClass = true
}
UnitHealth = <function> defined =[C]:-1
Path = <function> @ oUF\elements\health.lua:65:

<Ui xmlns='http://www.blizzard.com/wow/ui/' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xsi:schemaLocation='http://www.blizzard.com/wow/ui/
..\..\FrameXML\UI.xsd'>
	<Button name='oUF_MT' inherits='SecureUnitButtonTemplate' hidden='true' virtual='true'>
		<Frames>
			<Button name='$parentTarget' inherits='SecureUnitButtonTemplate'>
				<Size>
					<AbsDimension x='100' y='25'/>
				</Size>
				<Anchors>
					<Anchor point='TOPLEFT' relativePoint='TOPRIGHT' relativeTo='$parent'>
						<Offset>
							<AbsDimension x='4' y='0'/>
						</Offset>
					</Anchor>
				</Anchors>
				<Attributes>
					<Attribute name='unitsuffix' type='string' value='target'/>
					<Attribute name='useparent-unit' type='boolean' value='true'/>
					<Attribute name='type1' type='string' value='target'/>
					<Attribute name='initial-unitWatch' type='boolean' value='true'/>
				</Attributes>
			</Button>
		</Frames>
	</Button>
	
	<Button name="oUF_PARTY" inherits="SecureUnitButtonTemplate" hidden="true" virtual="true">
		<Frames>
			<Button name="$parentPet" inherits="SecureUnitButtonTemplate">
				<Anchors>
					<Anchor point="BOTTOMRIGHT" relativePoint="BOTTOMLEFT" relativeTo="$parent">
						<Offset>
							<AbsDimension x="-8" y="0"/>
						</Offset>
					</Anchor>
				</Anchors>
				<Attributes>
					<Attribute name="unitsuffix" type="string" value="pet"/>
					<Attribute name="useparent-unit" type="boolean" value="true"/>
					<Attribute name="type1" type="string" value="target"/>
					<Attribute name="initial-unitWatch" type="boolean" value="true"/>
				</Attributes>
			</Button>
		</Frames>
	</Button>
	
	<Script file='config.lua'/>
	<Script file='AMF_Tags.lua'/>
	<Script file='common.lua'/>
	<Script file='oUF_AMF.lua'/>
	<Script file='oUF_AMFMT.lua'/>
	<Script file='oUF_AMFPARTY.lua'/>

</Ui>

local _, ns = ...
local config = ns.config
local colors = oUF.colors

-- menu function
local shortVal
do
	local format = string.format

	function shortVal(value)
		local returnValue = ''

		if value > 1e6 then
			returnValue = format('%dm', value / 1e6)
		elseif value > 1e3 then
			returnValue = format('%dk', value / 1e3)
		else
			returnValue = format('%d', value)
		end

		return returnValue
	end
end

local function updateThreatStatus(self, event, u)
	if (self.unit ~= u) then return end
	local s = UnitThreatSituation(u)
	if s and s > 1 then
		local r, g, b = GetThreatStatusColor(s)
		self:SetBackdropColor(r, g, b, 1)
	--	self:SetBackdropBorderColor(r, g, b, 1)
	else
		self:SetBackdropColor(0, 0, 0, 1)
	--	self:SetBackdropBorderColor(.0, .3, 0, 1)
	end
end

local addMenu
do
	local format = string.format
	local gsub = string.gsub
	local upper = string.upper

	local function SpawnMenu(self)
		local dropdown = _G[format('%sFrameDropDown', gsub(self.unit, '(.)', upper, 1))]

		if dropdown then
			ToggleDropDownMenu(1, nil, dropdown, 'cursor')
		elseif (self.unit:match('party')) then
			ToggleDropDownMenu(1, nil, _G[format('PartyMemberFrame%dDropDown', self.id)], 'cursor')
		else
			FriendsDropDown.unit = self.unit
			FriendsDropDown.id = self.id
			FriendsDropDown.initialize = RaidFrameDropDown_Initialize
			ToggleDropDownMenu(1, nil, FriendsDropDown, 'cursor')
		end
	end

	function addMenu(self)
		self.menu = SpawnMenu
		self:RegisterForClicks('anyup')
		self:SetAttribute('type2', 'menu')
	end
end

ns.addMenu = addMenu
local PostUpdateHealth = function(Health, unit, min, max)
	
	
	if(UnitIsDead(unit)) then
		Health:SetValue(0)
		Health.value:SetText"RIP"			
	elseif(UnitIsGhost(unit)) then
		Health:SetValue(0)
		Health.value:SetText"GHO"			
	elseif(not UnitIsConnected(unit)) then	
		Health.value:SetText"OFF"	
	elseif(c == 'worldboss') then
		Health.value:SetText(shortVal(min).."  "..(round(min/max, 2)*100))	
	else
		Health.value:SetText(shortVal(min))		
	end
end

-- post update power function
local function PostUpdatePower(Power, unit, min, max)

	
	if(not UnitIsConnected(unit)) then
		Power.value:SetText()
		Power:SetValue(0)
	elseif(UnitIsDead(unit) or UnitIsGhost(unit)) then
		Power:SetValue(0)
		Power.value:SetText()
	else
		Power.value:SetText(shortVal(min))
	end
	
	-- color power text by power type
	local _, ptype = UnitPowerType(unit)
        if(colors.power[ptype]) then
            r, g, b = unpack(colors.power[ptype])
	end

	Power.value:SetTextColor(r, g, b)

end


-- health bar function
local function addHealthBar(self)
	local health = CreateFrame('StatusBar', nil, self)
	health:SetPoint('TOPRIGHT', self, 'TOPRIGHT', 0, -1)
	health:SetPoint('TOPLEFT', self, 'TOPLEFT', 0, -1)
	health:SetStatusBarTexture(config.TEXTURE)
	health:SetHeight(config.HEALTHHEIGHT)
	health.PostUpdate = PostUpdateHealth
	health.colorClass = true
	health.frequentUpdates = true

	local healthBG = health:CreateTexture(nil, 'BORDER')
	healthBG:SetAllPoints(health)
	healthBG:SetTexture(1 / 3, 1 / 3, 1 / 3)
	health.bg = healthBG
		
	
	health.value = health:CreateFontString(nil, "OVERLAY")
	health.value:SetFont(config.FONT, config.FONTSIZE, "OUTLINE")
	health.value:SetPoint("BOTTOMRIGHT", self, "BOTTOMRIGHT", -4, -8)	
	health.value:SetTextColor(0,1,0)
	self.Health = health
	


end
ns.addHealthBar = addHealthBar


function addPowerBar(self)
	local power = CreateFrame('StatusBar', nil, self)
	power:SetPoint('BOTTOMRIGHT', self, 'BOTTOMRIGHT', 0, 8)
	power:SetPoint('BOTTOMLEFT', self, 'BOTTOMLEFT', 0, 8)
	power:SetPoint('TOP', self.Health, 'BOTTOM', 0, -2)
	power:SetStatusBarTexture(config.TEXTURE)
	power:SetHeight(config.POWERHEIGHT)

	power.colorTapping = true
	power.colorDisconnected = true
	power.colorPower = true
	power.colorReaction = true

	power.PostUpdate = PostUpdatePower

	local powerBG = power:CreateTexture(nil, 'BORDER')
	powerBG:SetAllPoints(power)
	powerBG:SetTexture(1 / 3, 1 / 3, 1 / 3)
	power.bg = powerBG
	
	power.value = power:CreateFontString(nil, "OVERLAY")
	power.value:SetFont(config.FONT, config.FONTSIZE, "OUTLINE")
	power.value:SetPoint("BOTTOMLEFT", self, "BOTTOMLEFT", 4, -8)	
	power.value:SetTextColor(0,1,0)

	self.Power = power
end
ns.addPowerBar = addPowerBar

local function addName(self)
	
	self.Name = self:CreateFontString(nil, "OVERLAY")
	self.Name:SetFont(config.FONT, config.FONTSIZE, "OUTLINE")
	self:Tag(self.Name, '[difficulty][classification] [afkdnd][raidcolor][abbrevname]')
	self.Name:SetPoint("BOTTOM", self, "BOTTOM", 0, -8)	

end
ns.addName = addName

local function addThreat(self)

	self:RegisterEvent("UNIT_THREAT_LIST_UPDATE", updateThreatStatus)
	self:RegisterEvent("UNIT_THREAT_SITUATION_UPDATE", updateThreatStatus)

end
ns.addThreat = addThreat


-- raid icon function
local function addRaidIcon(self)
	local raidicon = self.Health:CreateTexture(nil, 'OVERLAY')
	raidicon:SetPoint('TOP', self, 'TOP', 0, 8)
	raidicon:SetSize(16, 16)

	self.RaidIcon = raidicon
end
ns.addRaidIcon = addRaidIcon

-- DebuffHighlight function
local function addDebuffHighlightBackdrop(self)
	local debuffBackdrop = {
		Alpha = 1,
		Filter = false,
	}

	self.DebuffBackdrop = debuffBackdrop
end
ns.addDebuffHighlightBackdrop = addDebuffHighlightBackdrop

-- Healcomm bar function
local function addHealCommBars(self, allowOverflow)
	local healcommbar = CreateFrame('StatusBar', nil, self.Health)
	healcommbar:SetStatusBarTexture(config.TEXTURE)
	healcommbar:SetStatusBarColor(0, 1, 0, 0.25)
	healcommbar:SetPoint('LEFT', self.Health, 'LEFT', 0, 0)
	self.allowHealCommOverflow = allowOverflow

	self.HealCommBar = healcommbar
end
ns.addHealCommBars = addHealCommBars

-- Range function
local function addRange(self)
	local range = {
		insideAlpha = 1,
		outsideAlpha = 2 / 3,
	}
	self.Range = range
end
	ns.addRange = addRange

ocal _, ns = ...
local config = ns.config
local colors = oUF.colors

local Style
do
local addHealthBar = ns.addHealthBar
local addPowerBar = ns.addPowerBar
local addRaidIcon = ns.addRaidIcon
local addMenu = ns.addMenu
local addName = ns.addName


function Style(self, unit)

print(self)
-- Shared layout code.
self:RegisterForClicks('AnyUp')
self:SetScript('OnEnter', UnitFrame_OnEnter)
self:SetScript('OnLeave', UnitFrame_OnLeave)

addMenu(self)

self:SetBackdrop(config.BACKDROP)
self:SetBackdropColor(0, 0, 0)

self:SetAttribute('initial-scale', .7)
self:SetAttribute('initial-height', config.UNITHEIGHT)
self:SetAttribute('initial-width', config.UNITWIDTH)

addHealthBar(self)
addPowerBar(self)
addName(self)



self.disallowVehicleSwap = true



end


oUF:RegisterStyle('oUF_AMFPARTY', Style)


oUF:Factory(function(self)

self:SetActiveStyle('oUF_AMFPARTY')
local party = self:SpawnHeader('oUF_Party', nil, 'party,raid',
--'showParty', true,
'showParty', true,
'template', 'oUF_PARTY',
'yOffset', -20)
party:SetPoint("CENTER", UIParent, "CENTER", -450, -150)
end)