The mod Logistic Request Helper (1.0.2) caused a non-recoverable error.
Please report this error to the mod author.

Error while running event logistic-request-helper::on_gui_opened (ID 102)
LuaAssemblingMachineControlBehavior doesn't contain key sections.
stack traceback:
[C]: in function 'index'
__logistic-request-helper/lib/util.lua:54: in function <logistic-request-helper/lib/util.lua:43>
(...tail calls...)
logistic-request-helper/scripts/gui.lua:43: in function 'attach_on_open'
logistic-request-helper/control.lua:45: in function <logistic-request-helper/control.lua:44>

this mod:
https://mods.factorio.com/mod/alloy-smelting