ActiveRecord::RecordNotFound in Podcasts#show

Showing /home/mcse/igtplus_new_data/projects/Rails/podcast3/trunk/app/views/shared/_personal_iphone_icon.html.haml where line #1 raised:

Couldn't find Podcast with ID=302

Extracted source (around line #1):

1: %link{:rel=>"apple-touch-icon", :href=>account.avatar.url(:iphone)}
2: %link{:rel=>"apple-touch-icon", :size=>"72x72", :href=>account.avatar.url(:ipad)}
3: %link{:rel=>"apple-touch-icon", :size=>"114x114", :href=>account.avatar.url(:iphone4)}

Trace of template inclusion: app/views/podcasts/show.html.haml

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

Application Trace | Framework Trace | Full Trace
app/controllers/podcasts_controller.rb:8
app/views/shared/_personal_iphone_icon.html.haml:1:in `_app_views_shared__personal_iphone_icon_html_haml__1174432640_69928558540940_4957150'
app/views/podcasts/show.html.haml:2:in `_app_views_podcasts_show_html_haml__162114106_69928558866080_0'
app/views/podcasts/show.html.haml:1:in `_app_views_podcasts_show_html_haml__162114106_69928558866080_0'
app/middleware/flash_session_cookie_middleware.rb:13:in `call'

Request

Parameters:

{"id"=>"302",
 "locale"=>"zh_tw"}

Show session dump

Show env dump

Response

Headers:

None