ActiveRecord::RecordNotFound in PresentationFoldersController#show

Couldn't find PresentationFolder with ID=301

Rails.root: /home/mcse/igtplus_new_data/projects/Rails/podcast3/trunk

Application Trace | Framework Trace | Full Trace
app/controllers/presentation_folders_controller.rb:55:in `show'
app/middleware/flash_session_cookie_middleware.rb:13:in `call'

Request

Parameters:

{"id"=>"301",
 "locale"=>"zh_tw",
 "account_id"=>"174"}

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Response

Headers:

None