i'm deployed my app to heroku. i run: git push heroku master .it is successfull .but when run heroku open it show errors : -Application Error-An error occurred in the application and your page could not be served. Please try again in a few moments. -If you are the application owner, check your logs for details. and then i use command heroku logs it show error as shown bellow : -2014-07-27T01:18:25.726069+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=********.herokuapp.com request_id=1ded5a34-7d01-440b-9fb4-0041fdc64715 fwd="110.74.222.57" dyno= connect= service= status=503 bytes please help me! -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To unsubscribe from this group and stop receiving emails from it, send an email to rubyonrails-talk+unsubscribe-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org To post to this group, send email to rubyonrails-talk-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org To view this discussion on the web visit https://groups.google.com/d/msgid/rubyonrails-talk/1fdbdb47-9b97-4c88-b54d-14d5eef54460%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.