NoMethodError in Old::Articles#show

Showing /home/bart/sites/snt-taskino.ru/portal/app/views/layouts/shared/_article_body.html.erb where line #49 raised:

undefined method `comment' for #<Article id: 135, title: "СПРАВОЧНАЯ ИНФОРМАЦИЯ", text: "<table border=\"1\" cellpadding=\"0\" cellspacing=\"0\" ...", show: true, public: true, allow_comments: true, category_id: 1, blog: true, created_at: "2023-05-15 19:53:36.906334000 +0300", updated_at: "2023-05-15 19:53:36.945825000 +0300", discarded_at: nil, limited: false, mailing: true>
Did you mean?  comments
               comments=
Extracted source (around line #49):
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49
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<h4 class="icon-color"><i class="fas fa-comment"></i> Комментарии</h4>
</div>
<% model.comment.kept.where(confirmed: true).each do |f| %>
<div class="col-md-12">
<%= render 'layouts/shared/comments/comment', comment: f %>
</div>

Trace of template inclusion: #<ActionView::Template app/views/old/articles/show.html.erb locals=[]>

Rails.root: /home/bart/sites/snt-taskino.ru/portal

Application Trace | Framework Trace | Full Trace

Request

Parameters:

{"id"=>"135"}

Response

Headers:

None