Got this crash on the server:
8269.885 Error ServerMultiplayerManager.cpp:91: MultiplayerManager failed: "The mod Spidertron Logistics System (2.1.6) caused a non-recoverable error.
Please report this error to the mod author.
Error while running event spidertron-logistics::on_nth_tick(240)
__spidertron-logistics__/control.lua:619: attempt to index local 'spider' (a nil value)
stack traceback:
__spidertron-logistics__/control.lua:619: in function 'assign_spider'
__spidertron-logistics__/control.lua:663: in function <__spidertron-logistics__/control.lua:636>"
Guessing some entity link is being accessed without testing if its valid first?