'window.debug.isDebug' is null or not an object

Question

Dear all,

I have a Page that conatains a panel and an animation extender attached to it, when a button is clicked the panel appears but it gives me the above error in the title..

I know there's something wrong with the animation extender but really i don't have any idea from where to start

thanks in advance.

Answer 1

Did you try to debug your code?