NoMethodError: undefined method `safe_list_sanitizer' for Module:Class

https://sentry.gitlab.net/gitlab/gitlabcom/issues/1750074/?referrer=gitlab_plugin

TypeError: no implicit conversion of nil into String
  gitlab/asciidoc/include_processor.rb:109:in `initialize'
    p = Pathname(base_path)
  gitlab/asciidoc/include_processor.rb:109:in `Pathname'
    p = Pathname(base_path)
  gitlab/asciidoc/include_processor.rb:109:in `resolve_relative_path'
    p = Pathname(base_path)
  gitlab/asciidoc/include_processor.rb:47:in `resolve_target_path'
    path = resolve_relative_path(target, base_path)
  asciidoctor/include_ext/include_processor.rb:48:in `process'
    unless (path = resolve_target_path(target, reader))
...
(130 additional frame(s) were not displayed)

TypeError: asciidoctor: FAILED: <stdin>: Failed to load AsciiDoc document - no implicit conversion of nil into String
NoMethodError: undefined method `safe_list_sanitizer' for Module:Class
  action_view/helpers/sanitize_helper.rb:82:in `sanitize'
    self.class.safe_list_sanitizer.sanitize(html, options)&.html_safe
  action_view/helpers/text_helper.rb:305:in `simple_format'
    text = sanitize(text) if options.fetch(:sanitize, true)
  markup_helper.rb:158:in `rescue in markup_unsafe'
    simple_format(text)
  markup_helper.rb:143:in `markup_unsafe'
    def markup_unsafe(file_name, text, context = {})
  repository.rb:626:in `rendered_readme'
    MarkupHelper.markup_unsafe(readme.name, readme.data, context)
...
(108 additional frame(s) were not displayed)

undefined method `safe_list_sanitizer' for Module:Class