oUF Simple 

Message: Interface\AddOns\oUF_Simple\core\functions.lua:75: attempt to call method 'SetBackdrop' (a nil value)
Time: Wed Nov  4 13:37:36 2020
Count: 1
Stack: Interface\AddOns\oUF_Simple\core\functions.lua:75: attempt to call method 'SetBackdrop' (a nil value)
[string "@Interface\AddOns\oUF_Simple\core\functions.lua"]:75: in function <Interface\AddOns\oUF_Simple\core\functions.lua:69>
[string "@Interface\AddOns\oUF_Simple\core\functions.lua"]:236: in function `CreateHealthBar'
[string "@Interface\AddOns\oUF_Simple\core\style.lua"]:25: in function `CreateStyle'
[string "@Interface\AddOns\oUF_Simple\templates\player.lua"]:27: in function `styleFunc'
[string "@Interface\AddOns\oUF\ouf.lua"]:321: in function <Interface\AddOns\oUF\ouf.lua:245>
[string "=(tail call)"]: ?
[string "@Interface\AddOns\oUF\ouf.lua"]:680: in function `Spawn'
[string "@Interface\AddOns\oUF_Simple\core\spawn.lua"]:34: in main chunk

Locals: self = <unnamed> {
 0 = <userdata>
 bg = <unnamed> {
 }
}
relativeTo = nil
backdrop = <table> {
 bgFile = "interface\addons\oUF_SimpleConfig\media\backdrop"
 tile = false
 bgColor = <table> {
 }
 tileSize = 0
 edgeFile = "interface\addons\oUF_SimpleConfig\media\backdrop_edge"
 edgeColor = <table> {
 }
 edgeSize = 2
 inset = 2
 insets = <table> {
 }
}
bd = <unnamed> {
 0 = <userdata>
}
(*temporary) = nil
(*temporary) = <unnamed> {
 0 = <userdata>
}
(*temporary) = <table> {
 bgFile = "interface\addons\oUF_SimpleConfig\media\backdrop"
 tile = false
 bgColor = <table> {
 }
 tileSize = 0
 edgeFile = "interface\addons\oUF_SimpleConfig\media\backdrop_edge"
 edgeColor = <table> {
 }
 edgeSize = 2
 inset = 2
 insets = <table> {
 }
}
(*temporary) = "attempt to call method 'SetBackdrop' (a nil value)"
L = <table> {
 dragFrames = <table> {
 }
 addonName = "oUF_Simple"
 C = <table> {
 }
 addonShortcut = "ouf_simple"
 addonColor = "00FF3300"
 F = <table> {
 }
}
unpack = <function> defined =[C]:-1

function()
    local this = WeakAuras.regions[aura_env.id].region
    local thisSpell = GetSpellInfo(203720)
    local c,_,s,d = GetSpellCharges(thisSpell)
    
    if c and c > 0 then
        this:SetInverse(false)
        return 1,1,true 
    elseif c == 0 and d then
        this:SetInverse(true)
        return d, s + d        
    else
        this:SetInverse(false)
        return 0,1,true
    end
end

function()
    local c,_,s,d = GetSpellCharges(203720)
    
    if (c == nil) or (c >= 1) then
        return ""
    elseif (c == 0) and (d) and (s) then
        return string.format("%.1f",s + d - GetTime())
    else
        return "Unknown"
    end
end