The mod Recipe Tweaker (0.0.8) caused a non-recoverable error.
Please report this error to the mod author.
Error while running event recipe-tweaker::on_gui_elem_changed (ID 69)
Gui element with name item/non-moderated-fuel-cell already present in the parent element.
stack traceback:
[C]: in function 'add'
recipe-tweaker/lib/glib.lua:53: in function 'add'
recipe-tweaker/control.lua:728: in function 'open_recipe'
recipe-tweaker/control.lua:980: in function 'handler'
recipe-tweaker/control.lua:1127: in function 'wrapper'
recipe-tweaker/lib/glib.lua:135: in function 'handler'
recipe-tweaker/lib/glib.lua:110: in function <recipe-tweaker/lib/glib.lua:98>
