ActiveRecord::RecordNotFound in BooksController#show

Couldn't find Book with 'id'=index
Extracted source (around line #151):
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def show
@book = Book.find params[:id]
redirect_to(books_url, notice: "Nie znaleziono pozycji o ID = #{params[:id]}") if !@book.active
end

Rails.root: /var/www/dictum-shop-test

Application Trace | Framework Trace | Full Trace

Request

Parameters:

{"id"=>"index", "format"=>"html"}

Response

Headers:

None