The mod Holographic Signs (2.0.4) caused a non-recoverable error.
Please report this error to the mod author.

Error while running event holographic_signs::on_gui_click (ID 1)
Invalid ItemID: expected LuaItemPrototype, LuaItemStack, LuaItem or string.
stack traceback:
[C]: in function 'get_item_launched'
holographic_signs/control.lua:677: in function 'apply_holo_sign'
holographic_signs/control.lua:569: in function 'add_holo_sign'
holographic_signs/control.lua:393: in function <holographic_signs/control.lua:385>