luaerror in unit_proximity_targetting

[Arch-Shaman]

[t=00:32:35.715537][f=0063510] [Game::ClientReadNet][LOGMSG] sender="hoaqhieu08" string="[Internal Lua error: Call failure] [string "LuaRules/Gadgets/unit_proximity_targetting...."]:55: attempt to perform arithmetic on local 'x2' (a nil value)
stack traceback:
[string "LuaRules/Gadgets/unit_proximity_targetting...."]:55: in function 'DistanceSq'
[string "LuaRules/Gadgets/unit_proximity_targetting...."]:79: in function 'GetTargetToClosest'
[string "LuaRules/Gadgets/unit_proximity_targetting...."]:122: in function 'funcToApply'
[string "LuaRules/Gadgets/Include/IterableMap.lua"]:131: in function 'Apply'
[string "LuaRules/Gadgets/unit_proximity_targetting...."]:169: in function 'GameFrame'
[string "LuaRules/gadgets.lua"]:967: in function <[string "LuaRules/gadgets.lua"]:965>
(tail call): ?"

See: https://zero-k.info/Battles/Detail/1376633 (I believe this is related to the recent starlight targeting pr)

[danfireman]

So there's a unit which is in line of sight but has a nil position coordinate? 🤯

[johnsonjsyuen]

[mushroomraider]

here is the error from my log:

[t=02:28:47.772173][f=0046596] [Game::ClientReadNet][LOGMSG] sender="Xamoguitar" string="[Internal Lua error: Call failure] [string "LuaRules/Gadgets/unit_proximity_targetting...."]:55: attempt to perform arithmetic on local 'x2' (a nil value)
stack traceback:
[string "LuaRules/Gadgets/unit_proximity_targetting...."]:55: in function 'DistanceSq'
[string "LuaRules/Gadgets/unit_proximity_targetting...."]:79: in function 'GetTargetToClosest'
[string "LuaRules/Gadgets/unit_proximity_targetting...."]:122: in function 'funcToApply'
[string "LuaRules/Gadgets/Include/IterableMap.lua"]:131: in function 'Apply'
[string "LuaRules/Gadgets/unit_proximity_targetting...."]:169: in function 'GameFrame'
[string "LuaRules/gadgets.lua"]:967: in function <[string "LuaRules/gadgets.lua"]:965>

[danfireman]

The error occurs around 35:13 when the starlight reaches a random force fire point:

I suspect this bertha on the plains to be the culprit instead: