Gitlab-ee: Missing members_group_path

Encountered a 500 error when clicking the "Clear LDAP Permission Cache" button on /groups/{group_name}/group_members

From production.log

Completed 500 Internal Server Error in 170ms

NoMethodError (undefined method 'members_group_path' for #<Groups::LdapsController:0x007f1225c3b8b8>):
  app/controllers/application_controller.rb:159:in 'method_missing'
  app/controllers/groups/ldaps_controller.rb:8:in 'reset_access'

GitLab 7.9.2-ee

GitLab Shell 2.6.0

GitLab API v3

Ruby 2.1.5p273

Rails 4.1.9