I added [color:ffff00][numheals] and didnt see an immediate lua error after I reloaded I get the following error and LUF won't load. The other issue is I can't get into LUF options to remove the tag.

14x [string "return function(unit)..."]:10: attempt to index global 'LunaUF' (a nil value)
[string "return function(unit)..."]:10: in function fnc' ...bs\oUF_Plugins\oUF_TagsWithHeal\oUF_TagsWithHeal.lua:1473: in function UpdateTag'
...bs\oUF_Plugins\oUF_TagsWithHeal\oUF_TagsWithHeal.lua:1353: in function func' LunaUnitFrames\libs\oUF\ouf.lua:201: in function UpdateAllElements'
LunaUnitFrames\libs\oUF\ouf.lua:55: in function <LunaUnitFrames\libs\oUF\ouf.lua:40>
LunaUnitFrames\libs\oUF\ouf.lua:78: in function <LunaUnitFrames\libs\oUF\ouf.lua:71>
[C]: in function SetAttribute' LunaUnitFrames\modules\movers.lua:51: in function <LunaUnitFrames\modules\movers.lua:43> LunaUnitFrames\modules\movers.lua:114: in function <LunaUnitFrames\modules\movers.lua:96> LunaUnitFrames\modules\movers.lua:142: in function UpdateMovers'
LunaUnitFrames\LunaUnitFrames-4030.lua:1164: in function <LunaUnitFrames\LunaUnitFrames.lua:1097>
LunaUnitFrames\LunaUnitFrames-4030.lua:1228: in function SetupHeader' LunaUnitFrames\LunaUnitFrames-4030.lua:1235: in function SetupAllHeaders'
LunaUnitFrames\LunaUnitFrames-4030.lua:1092: in function SpawnUnits' LunaUnitFrames\LunaUnitFrames-4030.lua:195: in function OnLoad'
LunaUnitFrames\LunaUnitFrames-4030.lua:1296: in function <LunaUnitFrames\LunaUnitFrames.lua:1294>

Locals:
unit = "player"
reaction = 5
(*temporary) = defined @LunaUnitFrames\libs\oUF_Plugins\oUF_TagsWithHeal\oUF_TagsWithHeal.lua:81
(*temporary) = nil
(*temporary) = "attempt to index global 'LunaUF' (a nil value)"

Fixed in https://github.com/Aviana/oUF_TagsWithHeal/commit/211086528a1344605a6e7ffa27ea845cd33d2f9e