Error en redirect de DRC

gistfile1.txt

2012-07-18T12:29:29+00:00 app[web.1]: 
2012-07-18T12:29:29+00:00 app[web.1]: 
2012-07-18T12:29:29+00:00 app[web.1]: Started GET "/" for 200.117.101.11 at 2012-07-18 12:29:29 +0000
2012-07-18T12:29:29+00:00 app[web.1]: Processing by UsersController#show as HTML
2012-07-18T12:29:29+00:00 app[web.1]: Completed 401 Unauthorized in 0ms
2012-07-18T12:29:29+00:00 heroku[router]: GET falling-stone-1988.herokuapp.com/ dyno=web.1 queue=0 wait=0ms service=15ms status=302 bytes=121
2012-07-18T12:29:30+00:00 app[web.1]: 
2012-07-18T12:29:30+00:00 app[web.1]: 
2012-07-18T12:29:30+00:00 app[web.1]: Started GET "/d/users/sign_in" for 200.117.101.11 at 2012-07-18 12:29:30 +0000
2012-07-18T12:29:30+00:00 app[web.1]: Processing by Devise::CasSessionsController#new as HTML
2012-07-18T12:29:30+00:00 app[web.1]: Redirected to https://metododerose.org:8443/login?service=http%3A%2F%2Ffalling-stone-1988.herokuapp.com%2Fd%2Fusers%2Fservice
2012-07-18T12:29:30+00:00 app[web.1]: Completed 302 Found in 1ms (ActiveRecord: 0.0ms)
2012-07-18T12:29:30+00:00 heroku[router]: GET falling-stone-1988.herokuapp.com/d/users/sign_in dyno=web.1 queue=0 wait=0ms service=17ms status=302 bytes=177
2012-07-18T12:29:30+00:00 app[web.1]: 
2012-07-18T12:29:30+00:00 app[web.1]: 
2012-07-18T12:29:30+00:00 app[web.1]: Started GET "/d/users/service?ticket=ST-1342614571r4236B254B28CE8D2BC" for 200.117.101.11 at 2012-07-18 12:29:30 +0000
2012-07-18T12:29:31+00:00 app[web.1]: 
2012-07-18T12:29:31+00:00 app[web.1]: ActiveRecord::StatementInvalid (PG::Error: ERROR:  column users.username does not exist
2012-07-18T12:29:31+00:00 app[web.1]: LINE 1: SELECT  "users".* FROM "users"  WHERE "users"."username" = '...
2012-07-18T12:29:31+00:00 app[web.1]:                                               ^
2012-07-18T12:29:31+00:00 app[web.1]: : SELECT  "users".* FROM "users"  WHERE "users"."username" = 'luis.perichon' LIMIT 1):
2012-07-18T12:29:31+00:00 app[web.1]:   app/controllers/application_controller.rb:32:in `authenticate_padma_account'
2012-07-18T12:29:31+00:00 app[web.1]: 
2012-07-18T12:29:31+00:00 app[web.1]: 
2012-07-18T12:29:31+00:00 app[web.1]: Processing by Devise::CasSessionsController#service as HTML
2012-07-18T12:29:31+00:00 app[web.1]:   Parameters: {"ticket"=>"ST-1342614571r4236B254B28CE8D2BC"}
2012-07-18T12:29:31+00:00 app[web.1]: Completed 500 Internal Server Error in 153ms
2012-07-18T12:29:31+00:00 heroku[router]: GET falling-stone-1988.herokuapp.com/d/users/service?ticket=ST-1342614571r4236B254B28CE8D2BC dyno=web.1 queue=0 wait=0ms service=189ms status=500 bytes=728