Need help gmod error

Hey guy im in the middle of reinstalling everything to our server put pointshop back on noticed alot of items were not showing so decided to get rid of it and i thing somewhere in the process i deleted something i was not meant to but anyway now when i try to join the server i get disconnected and console says
**[ERROR] gamemodes/terrortown/gamemode/cl_tips.lua:195: bad argument #1 to ‘pairs’ (table expected, got nil)

  1. pairs - [C]:-1
  2. unknown - gamemodes/terrortown/gamemode/cl_tips.lua:195**
    any idea one how i can fix it any help would be great

[editline]9th June 2013[/editline]

dont know how to delete post but i sorted the problem i deleted my dam garrysmod/lua/vgui folder by accident

Click “Mark as solved” in the top right blue bar.