My error:

Notice the undefined method '-@' .

This is for a sort by. All sorts on one page break, but all the sorts on other pages use the same helper and do not break. Does it allude to something obvious?

Processing OrganizationsController#search (for ::1 at 2010-05-13 15:42:01) [GET]
Parameters: {"action"=>"search", "controller"=>"organizations", "direction"=>"desc",     "_"=>"1273779721464", "order_by"=>"published_at"}
  SQL (0.5ms)   SHOW TABLES
  Organization Columns (2.2ms)   SHOW FIELDS FROM `organizations`

NoMethodError (undefined method `-@' for #<Array:0x2f88cc8>):
app/controllers/organizations_controller.rb:190:in `search'
sunspot (1.0.5) lib/sunspot/util.rb:84:in `call'
sunspot (1.0.5) lib/sunspot/util.rb:84:in `instance_eval_or_call'
sunspot (1.0.5) lib/sunspot/search.rb:200:in `build'
sunspot (1.0.5) lib/sunspot/session.rb:45:in `new_search'
sunspot (1.0.5) lib/sunspot/session.rb:53:in `search'
sunspot (1.0.5) lib/sunspot/session_proxy/abstract_session_proxy.rb:11:in `search'
sunspot (1.0.5) lib/sunspot.rb:323:in `search'
app/controllers/organizations_controller.rb:183:in `search'
haml (2.2.2) [v] rails/./lib/sass/plugin/rails.rb:19:in `process'
lib/flash_session_cookie_middleware.rb:14:in `call'
vendor/gems/hoptoad_notifier-2.2.2/lib/hoptoad_notifier/rack.rb:27:in `call'
/usr/local/lib/ruby/1.8/webrick/httpserver.rb:104:in `service'
/usr/local/lib/ruby/1.8/webrick/httpserver.rb:65:in `run'
/usr/local/lib/ruby/1.8/webrick/server.rb:173:in `start_thread'
/usr/local/lib/ruby/1.8/webrick/server.rb:162:in `start'
/usr/local/lib/ruby/1.8/webrick/server.rb:162:in `start_thread'
/usr/local/lib/ruby/1.8/webrick/server.rb:95:in `start'
/usr/local/lib/ruby/1.8/webrick/server.rb:92:in `each'
/usr/local/lib/ruby/1.8/webrick/server.rb:92:in `start'
/usr/local/lib/ruby/1.8/webrick/server.rb:23:in `start'
/usr/local/lib/ruby/1.8/webrick/server.rb:82:in `start'

Rendered rescues/_trace (68.5ms)
Rendered rescues/_request_and_response (0.6ms)
Rendering rescues/layout (internal_server_error)