Similar call stack on this crash, this is reproducible when disconnecting visualized wires (instant crash 100% of the time):
The mod Circuit Visualizer (2.0.2) caused a non-recoverable error.
Please report this error to the mod author.
Error while running event circuit_visualizer::on_tick (ID 0)
circuit_visualizer/control.lua:450: attempt to index a nil value
stack traceback:
circuit_visualizer/control.lua:450: in function 'update_network_ids'
circuit_visualizer/control.lua:660: in function 'on_connections_changed'
circuit_visualizer/control.lua:708: in function 'on_tick'
circuit_visualizer/control.lua:807: in function <circuit_visualizer/control.lua:803>
I love this mod and it's the only thing that makes circuitry sane for me but having to toggle the visualization on/off constantly and then losing progress every time I forget is maddening.