Lua script error

[Listo]

Hello, I get lots of errors, I dont know what the matter is.
I am using tfs 0.3

[01/02/2009 12:05:28] Lua Script Error: [Spell Interface] 
[01/02/2009 12:05:28] in a timer event called from: 
[01/02/2009 12:05:28] (Unknown scriptfile

Can someone Help me?