The error shows up in non-Draenor zones, when loading/reloading.

11x FrameXML\MapUtil.lua:11: Usage: local info = C_Map.GetMapInfo(uiMapID)
[C]: in function GetMapInfo' FrameXML\MapUtil.lua:11: in function GetMapParentInfo'
BodyguardHealth\main.lua:45: in function <BodyguardHealth\main.lua:43>
BodyguardHealth\main.lua:66: in function <BodyguardHealth\main.lua:65>
BodyguardHealth\main.lua:213: in function `?'
BodyguardHealth\main.lua:319: in function <BodyguardHealth\main.lua:317>

Locals:
(*temporary) = nil