The mod Linked Chest and Linked Pipe (1.2.19) caused a non-recoverable error.
Please report this error to the mod author.
Error while running event LinkedChestAndPipe::on_gui_click (ID 1)
LinkedChestAndPipe/scripts/linked-chest.lua:229: attempt to index field 'parent' (a nil value)
stack traceback:
LinkedChestAndPipe/scripts/linked-chest.lua:229: in function 'callback'
LinkedChestAndPipe/scripts/event.lua:20: in function <LinkedChestAndPipe/scripts/event.lua:13>
I was using black market mod at the time
