An ActionView::Template::Error occurred in rules#show:

 wrong argument type nil (expected String)
 app/views/rules/show.html.slim:16:in `render'


-------------------------------
Request:
-------------------------------

 * URL        : https://bikelink.org/rules/3
 * HTTP Method: GET
 * IP address : 93.190.58.51
 * Parameters : {"controller"=>"rules", "action"=>"show", "id"=>"3"}
 * Timestamp  : 2023-08-23 09:05:34 UTC
 * Server : www-8.internal.bikelink.org
   * Rails root : /var/www/bikelink
 * Process: 642116

-------------------------------
Session:
-------------------------------

 * session id: [FILTERED]
 * data: {"session_id"=>"402067b5dff565e108268a3978beeaf4",
  "warden.user.person.key"=>[[51280], "ukumXhQgJMZDFyJ6Fesv"],
  "_csrf_token"=>"yqrbPlDgqZa9nhD0EgkuyHWGuRrr/5gf2wThxIuXKaA="}

-------------------------------
Backtrace:
-------------------------------

 app/views/rules/show.html.slim:16:in `render'
 app/views/rules/show.html.slim:16
 app/controllers/application_controller.rb:44:in `process_action'