What steps will reproduce the problem?
1. Install addon
2. Login on current live 3.0.9

What is the expected output? What do you see instead?
No Error Message. An Error message

What version of the product are you using?
Latest: Deadened-r80093.3 (Released: 2008/09/19)

Do you have an error log of what happened?
[2009/03/25 20:43:05-10016-x1]: Interface\FrameXML\CastingBarFrame.lua:65 attempt to call method 'GetName' (a nil value):
Deadened-1.0\Modules\BlizzardUI.lua:20 in function <Interface\AddOns\Deadened\Modules\BlizzardUI.lua:13
(tail call): ?:
Interface\FrameXML\TargetFrame.lua:757 in function `Target_Spellbar_OnEvent':
<string>:"*:OnEvent":1: in function <[string "*:OnEvent"]:1>

  ---
[2009/03/25 20:43:05-10016-x1]: Interface\FrameXML\CastingBarFrame.lua:65 attempt to call method 'GetName' (a nil value):
Deadened-1.0\Modules\BlizzardUI.lua:20 in function <Interface\AddOns\Deadened\Modules\BlizzardUI.lua:13
(tail call): ?:
Interface\FrameXML\FocusFrame.lua:336 in function `Focus_Spellbar_OnEvent':
<string>:"*:OnEvent":1: in function <[string "*:OnEvent"]:1>

  ---

Please provide any additional information below.
Would be handy to have this working again for Ulduar to supress Surge of Darkness on General Vezax