Pages::LookupPath::LegacyStorageDisabledError

https://sentry.gitlab.net/gitlab/gitlabcom/issues/2572052/?referrer=gitlab_plugin

Pages::LookupPath::LegacyStorageDisabledError: Pages::LookupPath::LegacyStorageDisabledError
  pages/lookup_path.rb:70:in `legacy_source'
    raise LegacyStorageDisabledError unless Feature.enabled?(:pages_serve_from_legacy_storage, default_enabled: true)
  pages/lookup_path.rb:29:in `source'
    zip_source || legacy_source
  pages/virtual_domain.rb:27:in `select'
    paths = paths.select(&:source)
  pages/virtual_domain.rb:27:in `lookup_paths'
    paths = paths.select(&:source)
  grape_entity/delegator/plain_object.rb:8:in `delegate'
    object.send attribute
...
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