I'm experimenting with the mod in editor mode. It crashes when I cut (Ctrl+X) or delete (Alt+D) Molecule Sorter:
104.008 Error MainLoop.cpp:1288: Exception at tick 840: The mod FactorioChem (1.0.0) caused a non-recoverable error.
Please report this error to the mod author.
Error while running event FactorioChem::on_tick (ID 0)
LuaEntity API call when LuaEntity was invalid.
stack traceback:
[C]: in function '__index'
__FactorioChem__/control/entity.lua:331: in function 'update_building'
__FactorioChem__/control/entity.lua:260: in function 'update_buildings'
__FactorioChem__/control/entity.lua:641: in function 'entity_on_tick'
__FactorioChem__/control.lua:25: in function <__FactorioChem__/control.lua:24>