Rails: Could not find railties

Question

➜  ~  rvm -v

rvm 1.10.2 by Wayne E. Seguin , Michal Papis  [https://rvm.beginrescueend.com/]

➜  ~  ruby -v
ru         


        

Answer 1

Maybe you installed two or more version of rails and railties.

gem uninstall railties
gem uninstall rails

then reinstall.