Phenomenon that cannot log out even though it is described in devise

Introduction

I introduced devise and implemented the user management function, but I encountered an unexpected error, so I will record it.

error contents

Routing Error No route matches [GET] "/users/sign_out"

<%= link_to 'Logout', destroy_user_session_path, method: :delete, class: :logout %>

Of course, it was also described in the view file as method:: delete. For some reason, the HTTP method was locating for GET in the routing.

Restart the local server

At the terminal 「control + c」 input. Run "rails s" in the terminal again

Rough technique! ??

config/initializers/devise.rb/Line 269

config.sign_out_via = :delete

Change : delete to: get.

Finally

I still don't understand why this error occurred, even though the description is correct. Even if the description is exactly the same, an error may or may not occur.