Fixes user profile 500 error

app/views/users/_overview.html.haml

@@ -9,7 +9,7 @@
         %a.js-retry-load{ href: '#' }
           = s_('UserProfile|Retry')
     .user-calendar-activities
-- if @user.user_readme
+- if @user.user_readme&.rich_viewer
   .row.justify-content-center
     .col-12.col-md-10.col-lg-8.gl-my-6
       .gl-display-flex

spec/features/profiles/user_visits_profile_spec.rb

@@ -29,6 +29,24 @@ RSpec.describe 'User visits their profile' do
     expect(find('.file-content')).to have_content('testme')
   end
 
+  it 'hides empty user readme' do
+    project = create(:project, :repository, :public, path: user.username, namespace: user.namespace)
+
+    Files::UpdateService.new(
+      project,
+      user,
+      start_branch: 'master',
+      branch_name: 'master',
+      commit_message: 'Update feature',
+      file_path: 'README.md',
+      file_content: ''
+    ).execute
+
+    visit(user_path(user))
+
+    expect(page).not_to have_selector('.file-content')
+  end
+
   context 'when user has groups' do
     let(:group) do
       create :group do |group|