First time i see/have this, in several hundreds of hours of using this mod, but still want to let you know.
For your info, this was during a BP being build by robots and i was removing a underground that i did not need (perhaps just the moment robot was placing/doing something.
893.648 Error MainLoop.cpp:1389: Exception at tick 17210195: The mod Underground Indicators (1.1.1) caused a non-recoverable error.
Please report this error to the mod author.
Error while running event UndergroundIndicators::on_player_mined_entity (ID 67)
UndergroundIndicators/control.lua:66: attempt to perform arithmetic on local 'dist' (a nil value)
stack traceback:
UndergroundIndicators/control.lua:66: in function 'getArea'
UndergroundIndicators/control.lua:122: in function 'getAreaAndTiles'
UndergroundIndicators/control.lua:159: in function 'createTracker'
UndergroundIndicators/control.lua:340: in function 'onEntityDestroy'
UndergroundIndicators/control.lua:400: in function <UndergroundIndicators/control.lua:400>
