NoMethodError in Eventos#detalhe

Showing /app/app/views/eventos/detalhe.html.erb where line #2 raised:

undefined method `titulo' for nil:NilClass
Extracted source (around line #2):
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<% content_for :for_header do %>
<title><%=@conteudo.titulo[I18n.locale]%> - Paraty Tours</title>
<meta name="keywords" content="<%=@conteudo._keywords[1..12].join(',')%>" />
<meta name="description" content="<%=strip_tags(@conteudo.descricao[I18n.locale].to_s)[0..155]%>">
<%= stylesheet_link_tag 'blog', media: 'all', 'data-turbolinks-track' => true %>
<%= stylesheet_link_tag 'slider-pro.min', media: 'all', 'data-turbolinks-track' => true %>

Rails.root: /app

Application Trace | Framework Trace | Full Trace

Request

Parameters:

{"format"=>"html",
 "locale"=>"pt-BR",
 "slug"=>"calendario-de-eventos-2020-paraty-rj"}

Response

Headers:

None