ActiveRecord::RecordNotFound in GacApplicationsController#exec_item

Couldn't find GacItem with 'id'=6710

Extracted source (around line #279):
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def exec_item
item = GacItem.find(params[:item])
page = params[:id]
if item.title

Rails.root: /var/www/mtour

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Request

Parameters:

{"item"=>"6710",
 "locale"=>"it'",
 "id"=>"51"}

Response

Headers:

None