How to fix an error in Rails?

Question

Ruby on Rails

The code:

<%= form_for @post do |f| %>
<div class="form-control">
<%= f.label :title %>
<%= f.text_field :title %>
</div>
<div class="form-control">
<%= f.label :summary %>
<%= f.text_area :summary %>
</div>
<div class="form-control">
<%= f.label :body %>
<%= f.text_area :body %>
</div>
<div class="form-control">
<%= f.sumbit 'Save' %>
</div>
<% end %>

Mistake:

Answer 1

su bm it