LUI unitframes error help pls
 

How do I solve this problem.

Message: LUI 3.7.2 (v3.7.2-509)\unitframes\layout\layout.lua:2252: attempt to index field 'DemonicFury' (a nil value)
Time: 09/10/12 19:58:02
Count: 1
Stack: Interface\AddOns\LUI\unitframes\layout\layout.lua:2252: in function `checkSpec'
Interface\AddOns\LUI\unitframes\layout\layout.lua:2259: in function `SoulShards'
Interface\AddOns\LUI\unitframes\layout\layout.lua:3425: in function `styleFunc'
Interface\AddOns\LUI\unitframes\core\ouf.lua:271: in function <Interface\AddOns\LUI\unitframes\core\ouf.lua:201>
(tail call): ?
Interface\AddOns\LUI\unitframes\core\ouf.lua:560: in function `Spawn'
Interface\AddOns\LUI\unitframes\options\toggle.lua:75: in function `?'
Interface\AddOns\LUI\unitframes\options\toggle.lua:56: in function `ToggleUnit'
Interface\AddOns\LUI\unitframes\init.lua:242: in function <Interface\AddOns\LUI\unitframes\init.lua:241>
(tail call): ?
[C]: ?
[string "safecall Dispatcher[1]"]:9: in function <[string "safecall Dispatcher[1]"]:5>
(tail call): ?
...ns\GladiatorlosSA\libs\AceAddon-3.0\AceAddon-3.0.lua:543: in function `EnableAddon'
...ns\GladiatorlosSA\libs\AceAddon-3.0\AceAddon-3.0.lua:556: in function `EnableAddon'
...ns\GladiatorlosSA\libs\AceAddon-3.0\AceAddon-3.0.lua:636: in function <...ns\GladiatorlosSA\libs\AceAddon-3.0\AceAddon-3.0.lua:621>
[C]: in function `LoadAddOn'
Interface\FrameXML\UIParent.lua:299: in function `UIParentLoadAddOn'
Interface\FrameXML\UIParent.lua:373: in function `TimeManager_LoadUI'
Interface\FrameXML\UIParent.lua:690: in function <Interface\FrameXML\UIParent.lua:657>

Locals: <none>

1) A search for "LUI" on this site brings up a ton of results. When asking for help with a specific addon or compilation on these forums, you should always include a link to its download page to avoid confusion.

2) Have you posted on the LUI download page, or checked the LUI download page for a link to a bug tracker or some other place where the author actually checks for bugs? They may not read these forums at all.