ActionView::Template::Error (undefined method `join' for nil:NilClass):

[dzhonik]

Hello,

I have installed plugin using this howto: http://jbox-web.github.io/redmine_git_hosting/howtos/install/

But I have got the next error:

Started GET "/settings/plugin/redmine_git_hosting" for 176.65.43.254 at 2015-02-11 14:27:55 +0600
Processing by SettingsController#plugin as HTML
  Parameters: {"id"=>"redmine_git_hosting"}
  Current user: admin (id=1)
  Rendered plugins/redmine_git_hosting/app/views/settings/_gitolite_config_ssh.html.haml (2.1ms)
  Rendered plugins/redmine_git_hosting/app/views/settings/_gitolite_config_storage.html.haml (1.8ms)
  Rendered plugins/redmine_git_hosting/app/views/settings/_gitolite_config_file.html.haml (4.0ms)
  Rendered plugins/redmine_git_hosting/app/views/settings/_gitolite_config_global.html.haml (4.7ms)
  Rendered plugins/redmine_git_hosting/app/views/settings/_gitolite_config_access.html.haml (7.1ms)
  Rendered plugins/redmine_git_hosting/app/views/settings/_gitolite_config_hooks.html.haml (5.7ms)
  Rendered plugins/redmine_git_hosting/app/views/settings/_gitolite_config_cache.html.haml (2.1ms)
  Rendered plugins/redmine_git_hosting/app/views/settings/_gitolite_config_notify.html.haml (3.1ms)
  Rendered plugins/redmine_git_hosting/app/views/settings/_gitolite_display_access.html.haml (2.2ms)
  Rendered plugins/redmine_git_hosting/app/views/settings/_redmine_config.html.haml (7.9ms)
  Rendered plugins/redmine_git_hosting/app/views/settings/_sidekiq_interface.html.haml (2.8ms)
  Rendered plugins/redmine_git_hosting/app/views/settings/_gitolite_config_test.html.haml (7339.0ms)
  Rendered common/_tabs.html.erb (7404.6ms)
  Rendered plugins/redmine_git_hosting/app/views/settings/_redmine_git_hosting.html.haml (7431.6ms)
  Rendered settings/plugin.html.erb within layouts/admin (7440.5ms)
Completed 500 Internal Server Error in 7481.0ms

ActionView::Template::Error (undefined method `join' for nil:NilClass):
    24:     %td= l(:label_sudo_redmine_to_gitolite_user)
    25:     %td= image_tag (RedmineGitHosting::Config.can_redmine_sudo_to_gitolite_user? ? 'true.png' : 'exclamation.png')
    26:
    27:   - gitolite_checks = RedmineGitHosting::Config.check_hooks_install!
    28:
    29:   %tr
    30:     %td= l(:label_gitolite_hooks_installed)
  app/views/common/_tabs.html.erb:22:in `block in _app_views_common__tabs_html_erb__840063646669959554_24163280'
  app/views/common/_tabs.html.erb:21:in `each'
  app/views/common/_tabs.html.erb:21:in `_app_views_common__tabs_html_erb__840063646669959554_24163280'
  app/helpers/application_helper.rb:328:in `render_tabs'
  app/views/settings/plugin.html.erb:6:in `block in _app_views_settings_plugin_html_erb___820468548774761556_21888320'
  app/views/settings/plugin.html.erb:4:in `_app_views_settings_plugin_html_erb___820468548774761556_21888320'