The mod Stormwall (1.4.11) caused a non-recoverable error.
Please report this error to the mod author.
Error while running event Stormwall::on_nth_tick(1)
Stormwall/control.lua:932: bad argument #1 of 3 to 'insert' (table expected, got nil)
stack traceback:
[C]: in function 'insert'
Stormwall/control.lua:932: in function <Stormwall/control.lua:829>
Just sharing, so Author knows about this if he does not already..
Happens when I have the walls, and emitters down already, then provide power to the emitters..