Why doesn't “rails s” work from the app directory?

Question

I\'m in my app folder, but the command rails s is not working. I read through quite a few posts on Stack Overflow, and most of them seem to be from users who ar

Answer 1

I had this problem, took me a few minutes to realize I'd forgotten to change active Ruby version with chruby. Different Ruby implied a different Rails version, which looked for the relevant file in another folder.