What steps will reproduce the problem?
1. install latest yata (r72)
2. logon to wow
3. error is thrown right after entering the game, yata does neither display nor start

What is the expected output? What do you see instead?
expected: yata to run and be usuable
seen instead: error message:

Date: 2009-05-12 01:33:28
ID: 1
Error occured in: Global
Count: 2
Message: ..\AddOns\Yata\TotemBar.lua line 88:
   attempt to index local 'set' (a nil value)
Debug:
   (tail call): ?
   Yata\TotemBar.lua:88 CreateTotemBar()
   Yata\Core.lua:46 OnEnable()
   Yata\Core.lua:62 ?()
   ...Ons\Ace3\CallbackHandler-1.0\CallbackHandler-1.0.lua:146
      ...Ons\Ace3\CallbackHandler-1.0\CallbackHandler-1.0.lua:146
   [string "safecall Dispatcher[3]"]:4:
      [string "safecall Dispatcher[3]"]:4
   [C]: ?
   [string "safecall Dispatcher[3]"]:13: ?()
   ...Ons\Ace3\CallbackHandler-1.0\CallbackHandler-1.0.lua:91 Fire()
   Ace3\AceEvent-3.0\AceEvent-3.0.lua:119
      Ace3\AceEvent-3.0\AceEvent-3.0.lua:118
AddOns:
  Swatter, v5.4.4157 (WallabyII)
  Ace2, v
  Ace3, v
<...>

What version of the product are you using?
wow 3.1.1 latest patch level, deDE, yata r72

Do you have an error log of what happened?

Date: 2009-05-12 01:33:28
ID: 1
Error occured in: Global
Count: 2
Message: ..\AddOns\Yata\TotemBar.lua line 88:
   attempt to index local 'set' (a nil value)
Debug:
   (tail call): ?
   Yata\TotemBar.lua:88 CreateTotemBar()
   Yata\Core.lua:46 OnEnable()
   Yata\Core.lua:62 ?()
   ...Ons\Ace3\CallbackHandler-1.0\CallbackHandler-1.0.lua:146
      ...Ons\Ace3\CallbackHandler-1.0\CallbackHandler-1.0.lua:146
   [string "safecall Dispatcher[3]"]:4:
      [string "safecall Dispatcher[3]"]:4
   [C]: ?
   [string "safecall Dispatcher[3]"]:13: ?()
   ...Ons\Ace3\CallbackHandler-1.0\CallbackHandler-1.0.lua:91 Fire()
   Ace3\AceEvent-3.0\AceEvent-3.0.lua:119
      Ace3\AceEvent-3.0\AceEvent-3.0.lua:118
AddOns:
  Swatter, v5.4.4157 (WallabyII)
  Ace2, v
  Ace3, v
<...>

Please provide any additional information below.

n/a

thx
steve