The mod The Blueprint Lab - Bud caused a non-recoverable error.
Please report this error to the mod author.
Error while running event BlueprintLab_Bud17::BPL_LabButtonHotkey (ID 139)
LuaGuiElement API call when LuaGuiElement was invalid.
stack traceback: BlueprintLab_Bud17/scripts/gui.lua:19: in function 'UpdateGui' BlueprintLab_Bud17/scripts/logic.lua:15: in function 'OnLabButton' BlueprintLab_Bud17/scripts/gui.lua:39: in function <BlueprintLab_Bud17/scripts/gui.lua:38>
stack traceback:
[C]: in function 'newindex'
__BlueprintLab_Bud17/scripts/gui.lua:19: in function 'UpdateGui' BlueprintLab_Bud17/scripts/logic.lua:15: in function 'OnLabButton' BlueprintLab_Bud17/scripts/gui.lua:39: in function <BlueprintLab_Bud17/scripts/gui.lua:38>