QA::Page::Main::SignUp - Missing view partial

Job #733240388 failed for gitlab-foss@0eaa82ad:

Error: QA::Page::Main::SignUp - Missing view partial `/builds/gitlab-org/gitlab-foss/ee/app/views/registrations/welcome/_button.html.haml`!
QA::Page::Validator::ValidationError: Page views / elements validation error!
  /builds/gitlab-org/gitlab-foss/qa/qa/page/validator.rb:48:in `validate!'
  /builds/gitlab-org/gitlab-foss/qa/qa/scenario/test/sanity/selectors.rb:51:in `each'
  /builds/gitlab-org/gitlab-foss/qa/qa/scenario/test/sanity/selectors.rb:51:in `perform'
  /builds/gitlab-org/gitlab-foss/qa/qa/scenario/template.rb:10:in `block in perform'
  /builds/gitlab-org/gitlab-foss/qa/qa/scenario/template.rb:8:in `tap'
  /builds/gitlab-org/gitlab-foss/qa/qa/scenario/template.rb:8:in `perform'
  /builds/gitlab-org/gitlab-foss/qa/qa/scenario/bootable.rb:16:in `launch!'
  bin/qa:7:in `<top (required)>'