Not working when ActionController::RoutingError raises.

[bgvo]

For me it's working as long as a syntax error is thrown or similar. However, when this error occurs (ActionController::RoutingError), pry won't pop-up. Any idea why this happens?

[INFO ] GET     "/courses/search_results/Course?locale=pt"  for 127.0.0.1  at 2016-08-24 11:59:32 +0200
[DEBUG]   CourseType Load (0.3ms)  SELECT  "course_types".* FROM "course_types" WHERE "course_types"."name" = $1 LIMIT 1  [["name", "Course"]]
[FATAL]
ActionController::RoutingError (No route matches [GET] "/courses/search_results/Course"):
  actionpack (4.2.0) lib/action_dispatch/middleware/debug_exceptions.rb:21:in `call'
  actionpack (4.2.0) lib/action_dispatch/middleware/show_exceptions.rb:30:in `call'
  railties (4.2.0) lib/rails/rack/logger.rb:38:in `call_app'
  railties (4.2.0) lib/rails/rack/logger.rb:20:in `block in call'
  activesupport (4.2.0) lib/active_support/tagged_logging.rb:68:in `block in tagged'
  activesupport (4.2.0) lib/active_support/tagged_logging.rb:26:in `tagged'
  activesupport (4.2.0) lib/active_support/tagged_logging.rb:68:in `tagged'
  railties (4.2.0) lib/rails/rack/logger.rb:20:in `call'
  quiet_assets (1.1.0) lib/quiet_assets.rb:27:in `call_with_quiet_assets'
  actionpack (4.2.0) lib/action_dispatch/middleware/request_id.rb:21:in `call'
  rack (1.6.4) lib/rack/methodoverride.rb:22:in `call'
  rack (1.6.4) lib/rack/runtime.rb:18:in `call'
  activesupport (4.2.0) lib/active_support/cache/strategy/local_cache_middleware.rb:28:in `call'
  rack-reverse-proxy (0.11.0) lib/rack_reverse_proxy/roundtrip.rb:19:in `call'
  rack-reverse-proxy (0.11.0) lib/rack_reverse_proxy/middleware.rb:25:in `call'
  rack (1.6.4) lib/rack/lock.rb:17:in `call'
  actionpack (4.2.0) lib/action_dispatch/middleware/static.rb:113:in `call'
  rack (1.6.4) lib/rack/sendfile.rb:113:in `call'
  railties (4.2.0) lib/rails/engine.rb:518:in `call'
  railties (4.2.0) lib/rails/application.rb:164:in `call'
  rack (1.6.4) lib/rack/content_length.rb:15:in `call'
  thin (1.6.3) lib/thin/connection.rb:86:in `block in pre_process'
  thin (1.6.3) lib/thin/connection.rb:84:in `catch'
  thin (1.6.3) lib/thin/connection.rb:84:in `pre_process'
  thin (1.6.3) lib/thin/connection.rb:53:in `process'
  thin (1.6.3) lib/thin/connection.rb:39:in `receive_data'
  eventmachine (1.0.7) lib/eventmachine.rb:187:in `run_machine'
  eventmachine (1.0.7) lib/eventmachine.rb:187:in `run'
  thin (1.6.3) lib/thin/backends/base.rb:73:in `start'
  thin (1.6.3) lib/thin/server.rb:162:in `start'
  rack (1.6.4) lib/rack/handler/thin.rb:19:in `run'
  rack (1.6.4) lib/rack/server.rb:286:in `start'
  railties (4.2.0) lib/rails/commands/server.rb:80:in `start'
  railties (4.2.0) lib/rails/commands/commands_tasks.rb:80:in `block in server'
  railties (4.2.0) lib/rails/commands/commands_tasks.rb:75:in `tap'
  railties (4.2.0) lib/rails/commands/commands_tasks.rb:75:in `server'
  railties (4.2.0) lib/rails/commands/commands_tasks.rb:39:in `run_command!'
  railties (4.2.0) lib/rails/commands.rb:17:in `<top (required)>'
  bin/rails:8:in `require'
  bin/rails:8:in `<main>'


[INFO ]   Rendered /Users/borjagvo/.rvm/gems/ruby-2.2.1/gems/actionpack-4.2.0/lib/action_dispatch/middleware/templates/rescues/_trace.html.erb 1.8ms
[INFO ]   Rendered /Users/borjagvo/.rvm/gems/ruby-2.2.1/gems/actionpack-4.2.0/lib/action_dispatch/middleware/templates/routes/_route.html.erb 5.5ms
[INFO ]   Rendered /Users/borjagvo/.rvm/gems/ruby-2.2.1/gems/actionpack-4.2.0/lib/action_dispatch/middleware/templates/routes/_table.html.erb 1.8ms
[INFO ]   Rendered /Users/borjagvo/.rvm/gems/ruby-2.2.1/gems/actionpack-4.2.0/lib/action_dispatch/middleware/templates/rescues/_request_and_response.html.erb 1.8ms
[INFO ]   Rendered /Users/borjagvo/.rvm/gems/ruby-2.2.1/gems/actionpack-4.2.0/lib/action_dispatch/middleware/templates/rescues/routing_error.html.erb within rescues/layout 207.9ms