No, this is not a real Sinatra error :).
This is the personal homepage of Elad Meidar, a web developer and an entrepreneur specializing in Ruby on Rails. I hang around in Israel, and i am currently having the best time of my life over at Fiverr.com
I am a proud member of RailsBridge, Helping new Rails developers get into our world and also contributed a few Patches to the Ruby on Rails core.
Internet Explorer 6 and 7 are getting really upset when you don’t give them the chance to render the entire HTML, and preform a DOM related actions (appending/removing child elements for an instance).
If you are using JQuery like i am, use the document.ready function around your inline
You're seeing this error because I think it is funny.