NoMethodError in PagesFreeController#next

undefined method `[]' for nil:NilClass

Extracted source (around line #259):
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258
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unless item.nil?
page_index = session[:search_context][:page].to_i
page_index = 1 unless session[:search_context][:page].to_i > 0
page_window = session[:search_context][:item_by_page].to_i
query_offset = (page_index*page_window)-page_window

Rails.root: /rails_app

Application Trace | Framework Trace | Full Trace

Request

Parameters:

{"id"=>"189"}

Response

Headers:

None