What steps will reproduce the problem?
1. Delete Old Versions / Delete Old Saved Variables
2. Install Newest Secure Version from Ace Homepage (http://files.wowace.com/Quartz/)
3. Start Game, Mage, Cast

What is the expected output? What do you see instead?
- The Blizzard original game castbar and an error message (see below)

What version of the product are you using?
- Quartz-r75509.3.zip - 21-Jul-2008 04:33 - 263K

Do you have an error log of what happened?
Date: 2008-07-26 10:23:11
ID: 87
Error occured in: Global
Count: 1
Message: ..\AddOns\Quartz\Tradeskill\Tradeskill.lua line 120:
   attempt to index upvalue 'castBar' (a nil value)
Debug:
   ...AddOns\BigBrother\libs\AceEvent-2.0\AceEvent-2.0.lua:299 TriggerEvent()
   ...AddOns\BigBrother\libs\AceEvent-2.0\AceEvent-2.0.lua:910
      ...AddOns\BigBrother\libs\AceEvent-2.0\AceEvent-2.0.lua:903

Please provide any additional information below.
I use /equip Macros, but the error occures also direct from casts executed from the spellbook.

No Quartz problems for my Shaman so far, seems to be a Mage problem!