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.
Yahoo! now enables us to query a web page just like we would in sql. give it a try at YQL – converting the web to JSON with mock SQL
You're seeing this error because I think it is funny.