I was adding a mining site that already had active miners on it. The mod caused a crash:
611.742 Error MainLoop.cpp:1204: Exception at tick 5470255: The mod YARM - Resource Monitor (0.8.101) caused a non-recoverable error.
Please report this error to the mod author.
Error while running event YARM::on_tick (ID 0)
LuaEntity API call when LuaEntity was invalid.
stack traceback:
__YARM__/resmon.lua:412: in function 'scan_current_site'
__YARM__/resmon.lua:1283: in function 'update_players'
__YARM__/resmon.lua:1336: in function 'on_tick_internal'
__YARM__/resmon.lua:1370: in function <__YARM__/resmon.lua:1365>
stack traceback:
[C]: in function '__index'
__YARM__/resmon.lua:412: in function 'scan_current_site'
__YARM__/resmon.lua:1283: in function 'update_players'
__YARM__/resmon.lua:1336: in function 'on_tick_internal'
__YARM__/resmon.lua:1370: in function <__YARM__/resmon.lua:1365>