I Thought 1.6 fixed KeyBindStrip?

[joshmiller83]

2015-03-09T20:32:43.886-05:00 |cff0000Lua Error: assertion failed
stack traceback:
[C]: in function 'assert'
EsoUI/Libraries/ZO_KeybindStrip/ZO_KeybindStrip.lua:174: in function 'ZO_KeybindStrip:AddKeybindButton'
EsoUI/Libraries/ZO_KeybindStrip/ZO_KeybindStrip.lua:287: in function 'ZO_KeybindStrip:AddKeybindButtonGroup'
EsoUI/Ingame/Mail/MailInbox.lua:33: in function 'callback'
EsoUI/Libraries/Utility/ZO_CallbackObject.lua:104: in function 'ZO_CallbackObject:FireCallbacks'
EsoUI/Libraries/ZO_Scene/ZO_Scene.lua:248: in function 'ZO_Scene:SetState'
EsoUI/Libraries/ZO_Scene/ZO_SceneManager.lua:155: in function 'ZO_SceneManager:ShowScene'
EsoUI/Libraries/ZO_Scene/ZO_SceneManager.lua:430: in function 'ZO_SceneManager:OnSceneStateChange'
EsoUI/Ingame/Scenes/IngameSceneManager.lua:278: in function 'ZO_IngameSceneManager:OnSceneStateChange'
EsoUI/Libraries/ZO_Scene/ZO_Scene.lua:249: in function 'ZO_Scene:SetState'|r

Got this error while at a crafting station and switching to mail.