The mod Circuit Control GUIs (0.0.2) caused a non-recoverable error.
Please report this error to the mod author.
Error while running event circuit-control-guis::on_gui_closed (ID 89)
circuit-control-guis/gui.lua:429: attempt to index field 'edit_signal' (a nil value)
stack traceback:
circuit-control-guis/gui.lua:429: in function 'handler'
circuit-control-guis/gui.lua:513: in function 'wrapper'
circuit-control-guis/lib/glib.lua:135: in function 'handler'
circuit-control-guis/lib/glib.lua:110: in function <circuit-control-guis/lib/glib.lua:98>
Tried to replicate it for a bit but couldn't.