I'm getting “found character that cannot start any token while scanning for the next token”

Question

I have been running Ruby on Rails on my laptop for about a month now, but when I wanted to run the server in this instance (and it was working fine a few hours ago) I now re

Answer 1

You should check all important configuration files that contains YAML. I had the same error when tried to rake db:seed, and it turns out that I had TAB character in commented block in config/database.yml.

If you are not sure, use some online YAML parser, i.e. http://yaml-online-parser.appspot.com/.