Suddenly Devise gem crashed
===

<p>Everything was fine, but suddenly my application started crashing and didn't starts.<p>Here is my log:

        C:/Ruby193/lib/ruby/gems/1.9.1/gems/activerecord-3.2.2/lib/active_record/dynamic
       _matchers.rb:50:in `method_missing': undefined local variable or method `after_sign_up_path_for' for #<Class:0x4422480> (NameError)

and other errors below are related with this.
<p> How can I fix this ?
       

        