ActiveRecord::RecordNotFound in Presentations#fullscreen

Showing /home/mcse/igtplus_new_data/projects/Rails/podcast3/trunk/app/views/presentations/fullscreen.html.haml where line #2 raised:

Couldn't find Presentation with ID=886

Extracted source (around line #2):

1: 
2: .color_title= presentation.original_attached_file_name
3: #{link_to "#{t:external_window}", fullscreen_path(presentation), :target=>'presentation'}
4: 
5: - content_for :custom_css do

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

Application Trace | Framework Trace | Full Trace
app/views/presentations/fullscreen.html.haml:2:in `_app_views_presentations_fullscreen_html_haml___1964564609_70332121897620_0'
app/controllers/presentations_controller.rb:145:in `fullscreen'
app/middleware/flash_session_cookie_middleware.rb:13:in `call'

Request

Parameters:

{"id"=>"886"}

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Response

Headers:

None