Strange error in rails - missing helper

Question

I am not sure , but this might be associated with a crashed computer. After restarting (after the crash) I get a missing helper error where the helper name is wrong. Switc

Answer 1

I'm running 2.2.0 and did as @Rob said and found that it was my the apps root directory that had the problem since it had a capitalized name. I'm also not keeping the app in the Sites directory but another sibling directory.