It happened after opening the GUI from the mod"Task List", here's the prompt:
The mod Mining patch planner (1.0.1) caused a non-recoverable error.
Please report this error to the mod author.
Error while running event mining-patch-planner::on_gui_checked_state_changed (ID 3)
mining-patch-planner/gui.lua:86: attempt to index field 'layout_radio_dir' (a nil value)
stack traceback:
mining-patch-planner/gui.lua:86: in function <mining-patch-planner/gui.lua:83>
