This question already has an answer here:
Why I can not save my question with this link?
Please check the [code] Thanks! : http://jsfiddle.net/tZFuX/2/
They don't want you posting just a link. You can post the link, but only if you post the code (or at least a relevant portion of it).
A full description of the reasoning behind this restriction can be found in Prevent posts with links to jsfiddle and no code.