Fix: Admin group show page does not work

app/controllers/admin/groups_controller.rb

@@ -9,7 +9,7 @@ class Admin::GroupsController < Admin::ApplicationController
   end
 
   def show
-    @group = Group.with_statistics.find_by_full_path(params[:id])
+    @group = Group.with_statistics.joins(:route).group('routes.path').find_by_full_path(params[:id])
     @members = @group.members.order("access_level DESC").page(params[:members_page])
     @requesters = AccessRequestsFinder.new(@group).execute(current_user)
     @projects = @group.projects.with_statistics.page(params[:projects_page])

spec/features/admin/admin_groups_spec.rb

@@ -17,6 +17,16 @@ feature 'Admin Groups', feature: true do
     end
   end
 
+  describe 'show a group' do
+    scenario 'shows the group' do
+      group = create(:group, :private)
+
+      visit admin_group_path(group)
+
+      expect(page).to have_content("Group: #{group.name}")
+    end
+  end
+
   describe 'group edit' do
     scenario 'shows the visibility level radio populated with the group visibility_level value' do
       group = create(:group, :private)