ActiveRecord::UnknownAttributeError (unknown attribute: context):
  app/models/twitter_rate_limit.rb:15:in `add'
  lib/logic/twitter_manager.rb:1159:in `handle_service_error'
  lib/logic/twitter_manager.rb:717:in `follow_member'
  app/controllers/reports_controller.rb:465:in `follow'
  /srv/www/staging/www/shared/bundle/ruby/1.8/gems/multi_db-0.2.2/lib/multi_db/active_record_extensions.rb:35:in `cache'
  /opt/passenger-3.0.11/lib/phusion_passenger/rack/request_handler.rb:96:in `process_request'
  /opt/passenger-3.0.11/lib/phusion_passenger/abstract_request_handler.rb:513:in `accept_and_process_next_request'
  /opt/passenger-3.0.11/lib/phusion_passenger/abstract_request_handler.rb:274:in `main_loop'
  /opt/passenger-3.0.11/lib/phusion_passenger/classic_rails/application_spawner.rb:321:in `start_request_handler'
  /opt/passenger-3.0.11/lib/phusion_passenger/classic_rails/application_spawner.rb:275:in `send'
  /opt/passenger-3.0.11/lib/phusion_passenger/classic_rails/application_spawner.rb:275:in `handle_spawn_application'
  /opt/passenger-3.0.11/lib/phusion_passenger/utils.rb:479:in `safe_fork'
  /opt/passenger-3.0.11/lib/phusion_passenger/classic_rails/application_spawner.rb:270:in `handle_spawn_application'
  /opt/passenger-3.0.11/lib/phusion_passenger/abstract_server.rb:357:in `__send__'
  /opt/passenger-3.0.11/lib/phusion_passenger/abstract_server.rb:357:in `server_main_loop'
  /opt/passenger-3.0.11/lib/phusion_passenger/abstract_server.rb:206:in `start_synchronously'
  /opt/passenger-3.0.11/lib/phusion_passenger/abstract_server.rb:180:in `start'
  /opt/passenger-3.0.11/lib/phusion_passenger/classic_rails/application_spawner.rb:149:in `start'
  /opt/passenger-3.0.11/lib/phusion_passenger/spawn_manager.rb:219:in `spawn_rails_application'
  /opt/passenger-3.0.11/lib/phusion_passenger/abstract_server_collection.rb:132:in `lookup_or_add'
  /opt/passenger-3.0.11/lib/phusion_passenger/spawn_manager.rb:214:in `spawn_rails_application'
  /opt/passenger-3.0.11/lib/phusion_passenger/abstract_server_collection.rb:82:in `synchronize'
  /opt/passenger-3.0.11/lib/phusion_passenger/abstract_server_collection.rb:79:in `synchronize'
  /opt/passenger-3.0.11/lib/phusion_passenger/spawn_manager.rb:213:in `spawn_rails_application'
  /opt/passenger-3.0.11/lib/phusion_passenger/spawn_manager.rb:132:in `spawn_application'
  /opt/passenger-3.0.11/lib/phusion_passenger/spawn_manager.rb:275:in `handle_spawn_application'
  /opt/passenger-3.0.11/lib/phusion_passenger/abstract_server.rb:357:in `__send__'
  /opt/passenger-3.0.11/lib/phusion_passenger/abstract_server.rb:357:in `server_main_loop'
  /opt/passenger-3.0.11/lib/phusion_passenger/abstract_server.rb:206:in `start_synchronously'
  /opt/passenger-3.0.11/helper-scripts/passenger-spawn-server:99