NoMethodError (You have a nil object when you didn't expect it! You might have expected an instance of Array. The error occurred while evaluating nil.include?): /vendor/rails/activerecord/lib/active_record/attribute_methods.rb:142:in `create_time_zone_conversion_attribute?' /vendor/rails/activerecord/lib/active_record/attribute_methods.rb:75:in `define_attribute_methods' /vendor/rails/activerecord/lib/active_record/attribute_methods.rb:71:in `each' /vendor/rails/activerecord/lib/active_record/attribute_methods.rb:71:in `define_attribute_methods' /vendor/rails/activerecord/lib/active_record/attribute_methods.rb:242:in `method_missing' /vendor/rails/activerecord/lib/active_record/base.rb:2654:in `hash' /vendor/rails/actionpack/lib/action_controller/dispatcher.rb:147:in `clear' /vendor/rails/actionpack/lib/action_controller/dispatcher.rb:147:in `reload_application' /vendor/rails/activesupport/lib/active_support/callbacks.rb:178:in `send' /vendor/rails/activesupport/lib/active_support/callbacks.rb:178:in `evaluate_method' /vendor/rails/activesupport/lib/active_support/callbacks.rb:166:in `call' /vendor/rails/activesupport/lib/active_support/callbacks.rb:90:in `run' /vendor/rails/activesupport/lib/active_support/callbacks.rb:90:in `each' /vendor/rails/activesupport/lib/active_support/callbacks.rb:90:in `send' /vendor/rails/activesupport/lib/active_support/callbacks.rb:90:in `run' /vendor/rails/activesupport/lib/active_support/callbacks.rb:277:in `run_callbacks' /vendor/rails/actionpack/lib/action_controller/dispatcher.rb:106:in `dispatch_unlocked' /vendor/rails/actionpack/lib/action_controller/dispatcher.rb:120:in `dispatch' /vendor/rails/actionpack/lib/action_controller/dispatcher.rb:119:in `synchronize' /vendor/rails/actionpack/lib/action_controller/dispatcher.rb:119:in `dispatch' /vendor/rails/actionpack/lib/action_controller/dispatcher.rb:129:in `dispatch_cgi' /vendor/rails/actionpack/lib/action_controller/dispatcher.rb:36:in `dispatch' /usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel/rails.rb:76:in `process' /usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel/rails.rb:74:in `synchronize' /usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel/rails.rb:74:in `process' /usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:159:in `process_client' /usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:158:in `each' /usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:158:in `process_client' /usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:285:in `run' /usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:285:in `initialize' /usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:285:in `new' /usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:285:in `run' /usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:268:in `initialize' /usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:268:in `new' /usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:268:in `run' /usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel/configurator.rb:282:in `run' /usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel/configurator.rb:281:in `each' /usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel/configurator.rb:281:in `run' /usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/bin/mongrel_rails:128:in `run' /usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel/command.rb:212:in `run' /usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/bin/mongrel_rails:281 /vendor/rails/activesupport/lib/active_support/dependencies.rb:141:in `load_without_new_constant_marking' /vendor/rails/activesupport/lib/active_support/dependencies.rb:141:in `load' /vendor/rails/activesupport/lib/active_support/dependencies.rb:507:in `new_constants_in' /vendor/rails/activesupport/lib/active_support/dependencies.rb:141:in `load' /vendor/rails/railties/lib/commands/servers/mongrel.rb:64 /usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:27:in `gem_original_require' /usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:27:in `require' /vendor/rails/activesupport/lib/active_support/dependencies.rb:148:in `require' /vendor/rails/activesupport/lib/active_support/dependencies.rb:507:in `new_constants_in' /vendor