Help for new addon programer

[laiqalasse]

Hi guys,

I'm totally new in lua and addon programming. I'm trying to make my first addon but getting an ui error 'checking type on argument callback failed in ScriptEventManagerRegisterforEventlua stack traceback: [C]:addons/.... .lua 53 in function 'Initialize'. I googled it but couldn't find anything do u know why i am getting this error.

Thanks.