What does this mean?

Switch over to a new host and got this: [ERROR] addons/shud_ulx/lua/client/shud.lua:188: attempt to call method ‘getDarkRPVar’ (a nil value)

  1. DrawHUD - addons/shud_ulx/lua/client/shud.lua:188
  2. fn - addons/shud_ulx/lua/client/shud.lua:209
    3. unknown - addons/ulib/lua/ulib/shared/hook.lua:183

Was working fine before.

getting this now: http://gyazo.com/dc30892479624f1c989ffeba9853bcc7

and i can see through walls and stuff wtfv