NoMethodError in Page#view

Showing app/views/page/view.rhtml where line #1 raised: 

You have a nil object when you didn't expect it!
You might have expected an instance of Array.
The error occured while evaluating nil.[]

Extracted source (around line #1): 

1: <h1><span><%= @output[0][:title] %></span></h1>
2: <div>
3: <%= @output[0][:body] %>
4: </div>

RAILS_ROOT: /home/lucidmoon/lucidmoon/public/../config/..

Application Trace | Framework Trace | Full Trace 
#{RAILS_ROOT}/app/views/page/view.rhtml:1:in `_run_rhtml_page_view'

Request

Parameters: {"title"=>"contnet_management_systmes"}

Show session dump

Response

Headers: {"cookie"=>[], "Cache-Control"=>"no-cache"}