That page is broken. The try.github.com will redirect to http://try.github.com/levels/1/challenges/1 http://try.github.com/levels/1/challenges/1 but I got "We'

That page is broken. The try.github.com will redirect to http://try.github.com/levels/1/challenges/1 http://try.github.com/levels/1/challenges/1 but I got "We're sorry, but something went wrong. (500 Internal Server Error)"