InfoRefs error: ArgumentError: wrong number of arguments (given 0, expected 1)

https://sentry.gitlab.net/gitlab/gitlabcom/issues/960058/

GRPC::Unavailable: 14:Connection reset by peer
  grpc/generic/active_call.rb:31:in `check_status'
    fail GRPC::BadStatus.new_status_exception(
  grpc/generic/active_call.rb:181:in `attach_status_results_and_complete_call'
    recv_status_batch_result.check_status
  grpc/generic/active_call.rb:377:in `request_response'
    attach_status_results_and_complete_call(batch_result)
  grpc/generic/client_stub.rb:178:in `block in request_response'
    c.request_response(req, metadata: metadata)
  grpc/generic/interceptors.rb:170:in `intercept!'
    return yield if @interceptors.none?
...
(151 additional frame(s) were not displayed)

ArgumentError: wrong number of arguments (given 0, expected 1)
  projects/git_http_controller.rb:73:in `render_503'
    def render_503(exception)
  application_controller.rb:80:in `block in <class:ApplicationController>'
    render_503
  active_support/rescuable.rb:116:in `instance_exec'
    -> e { object.instance_exec(e, &rescuer) }
  active_support/rescuable.rb:116:in `block in handler_for_rescue'
    -> e { object.instance_exec(e, &rescuer) }
  active_support/rescuable.rb:92:in `rescue_with_handler'
    handler.call exception
...
(101 additional frame(s) were not displayed)

ArgumentError: wrong number of arguments (given 0, expected 1)