Internal Server Error on project page

[bekce]

I created and built the dyno as instructed and when I create a project and go to its url (/projects/testprj) I got internal server error (500) like below:

Internal error

An error occurred on the page you were trying to access.
If you continue to experience problems please contact your Redmine administrator for assistance.

If you are the Redmine administrator, check your log files for details about the error.

Back

[gastonambrogi]

Can you provide the logs when it crashes?

[fbukevin]

I face the same problem.
I use Papertrail add-on to monitor the error log.
The following is the message:

Sep 24 06:15:15 guarded-peak-24852 heroku/router:  at=info method=GET path="/" host=guarded-peak-24852.herokuapp.com request_id=09e91e43-239d-446f-b64c-e451d764be47 fwd="123.192.148.246" dyno=web.1 connect=0ms service=51ms status=304 bytes=700 
Sep 24 06:15:15 guarded-peak-24852 app/web.1:  Started GET "/" for 123.192.148.246 at 2016-09-24 13:15:14 +0000 
Sep 24 06:15:15 guarded-peak-24852 app/web.1:  Processing by WelcomeController#index as HTML 
Sep 24 06:15:15 guarded-peak-24852 app/web.1:    Current user: admin (id=1) 
Sep 24 06:15:15 guarded-peak-24852 app/web.1:    Rendered welcome/index.html.erb within layouts/base (7.2ms) 
Sep 24 06:15:15 guarded-peak-24852 app/web.1:  Completed 200 OK in 37.1ms (Views: 18.5ms | ActiveRecord: 10.9ms) 
Sep 26 08:36:07 guarded-peak-24852 app/web.1:    Rendered projects/show.html.erb within layouts/base (32.8ms) 
Sep 26 08:36:07 guarded-peak-24852 app/web.1:  Completed 500 Internal Server Error in 318.9ms 
Sep 26 08:36:07 guarded-peak-24852 app/web.1:  ActionView::Template::Error (undefined method `name' for nil:NilClass): 
Sep 26 08:36:07 guarded-peak-24852 app/web.1:      42:     <% end %> 
Sep 26 08:36:07 guarded-peak-24852 app/web.1:      43:  
Sep 26 08:36:07 guarded-peak-24852 app/web.1:      44:     <h1><%= page_header_title %></h1> 
Sep 26 08:36:07 guarded-peak-24852 app/web.1:      45:  
Sep 26 08:36:07 guarded-peak-24852 app/web.1:      46:     <% if display_main_menu?(@project) %> 
Sep 26 08:36:07 guarded-peak-24852 app/web.1:      47:     <div id="main-menu"> 
Sep 26 08:36:07 guarded-peak-24852 app/web.1:      48:         <%= render_main_menu(@project) %> 
Sep 26 08:36:07 guarded-peak-24852 app/web.1:    lib/redmine.rb:246:in `block (2 levels) in <top (required)>' 
Sep 26 08:36:07 guarded-peak-24852 app/web.1:    lib/redmine/menu_manager.rb:199:in `call' 
Sep 26 08:36:07 guarded-peak-24852 app/web.1:    lib/redmine/menu_manager.rb:199:in `allowed_node?' 
Sep 26 08:36:07 guarded-peak-24852 app/web.1:    lib/redmine/menu_manager.rb:166:in `block in menu_items_for' 
Sep 26 08:36:07 guarded-peak-24852 app/web.1:    lib/redmine/menu_manager.rb:165:in `each' 
Sep 26 08:36:07 guarded-peak-24852 app/web.1:    lib/redmine/menu_manager.rb:165:in `menu_items_for' 
Sep 26 08:36:07 guarded-peak-24852 app/web.1:    lib/redmine/menu_manager.rb:90:in `render_menu' 
Sep 26 08:36:07 guarded-peak-24852 app/web.1:    lib/redmine/menu_manager.rb:80:in `render_main_menu' 
Sep 26 08:36:07 guarded-peak-24852 app/web.1:    app/views/layouts/base.html.erb:45:in `_app_views_layouts_base_html_erb___2716178046142617268_70231640836180' 
Sep 26 08:36:07 guarded-peak-24852 app/web.1:    app/controllers/projects_controller.rb:163:in `show'