Here is my actual error: No route matches [GET] \"/members/sign_out\"
Since most people will use \"users\" I thought it would be more helpful to have that in th
Had the same problem and remembered it only started happening after I decided to "clean up" my Javascript files. So I ran rails generate jquery:install --ui again and this solved it for me. (You can ignore the --ui part if you don't need JQuery UI, I suppose.)