[new_washing_class_system] addons/new_washing_class_system/lua/washing_class_system/vgui.lua:80: attempt to index a nil value 1. UpdateVGUI - addons/new_washing_class_system/lua/washing_class_system/vgui.lua:80 2. func - addons/new_washing_class_system/lua/washing_class_system/net.lua:27 3. unknown - lua/includes/extensions/net.lua:32