AnimatedStatusBarTemplate Lua errors and client crash

[zork]

Code results in Lua error

local bar = CreateFrame("Statusbar",nil,UIParent,"AnimatedStatusBarTemplate")
bar:SetPoint("BOTTOM",UIParent,"CENTER")
bar:SetSize(256, 16)
bar:SetMinMaxValues(0,1)
bar:SetValue(0.5)
bar:SetStatusBarTexture("Interface/TargetingFrame/UI-TargetingFrame-BarFill")

Message: Interface\FrameXML\AnimatedStatusBar.lua:6: attempt to index a nil value

This code crashes the client every time:

local bar = CreateFrame("Statusbar",nil,UIParent,"AnimatedStatusBarTemplate")
bar:SetPoint("BOTTOM",UIParent,"CENTER")
bar:SetSize(256, 16)
bar:SetMinMaxValues(0,1)
bar:SetValue(0.5)
bar:SetStatusBarAtlas("_honorsystem-bar-fill")

Using SetStatusBarAtlas()

Interesting enough this does not crash the client (calling SetStatusBarTexture before applying the atlas.)

local bar = CreateFrame("Statusbar",nil,UIParent,"AnimatedStatusBarTemplate")
bar:SetPoint("BOTTOM",UIParent,"CENTER")
bar:SetSize(256, 16)
bar:SetMinMaxValues(0,1)
bar:SetValue(0.5)
bar:SetStatusBarTexture("Interface/TargetingFrame/UI-TargetingFrame-BarFill")
bar:SetStatusBarAtlas("_honorsystem-bar-fill")

I may have missing understanding on how to work with the AnimatedStatusBarMixin though. Not sure why I get the statusbar error when there is a statusbar texture set. Removing the template shows the statusbar just fine.