app/views/user_import_files/_form.html.erb
<%= form_with(model: user_import_file) do |f| %>
<% if user_import_file.errors.any? %>
<div id="error_explanation">
<h2><%= pluralize(user_import_file.errors.count, "error") %> prohibited this user_import_file from being saved:</h2>
<ul>
<% user_import_file.errors.map(&:full_message).each do |msg| %>
<li><%= msg %></li>
<% end %>
</ul>
</div>
<% end %>
<div class="field">
<%= f.label :note %><br>
<%= f.text_area :note %>
</div>
<div class="actions">
<%= f.submit %>
</div>
<% end %>