app/models/agent.rb

@@ -60,7 +60,7 @@ class Agent < ActiveRecord::Base

                   }
              

                 
              

                   def credential(name)
              

                -    user.user_credentials.where(:credential_name => name).limit(1).first.credential_value rescue nil
              

                +    user.user_credentials.where(:credential_name => name).first.try(:credential_value) || nil
              

                   end
              

                 
              

                   def check