ApiError: [has_parent] no join field has been configured

[sentry-io]

Sentry Issue: COURTLISTENER-8ES

ApiError: N/A
(6 additional frame(s) were not displayed)
...
  File "manage.py", line 11, in main
    execute_from_command_line(sys.argv)
  File "cl/alerts/management/commands/cl_send_recap_alerts.py", line 735, in handle
    query_and_send_alerts(r, Alert.DAILY, query_date)
  File "cl/alerts/management/commands/cl_send_recap_alerts.py", line 581, in query_and_send_alerts
    results, parent_results, child_results = query_alerts(
  File "cl/alerts/management/commands/cl_send_recap_alerts.py", line 449, in query_alerts
    return do_es_sweep_alert_query(
  File "cl/lib/elasticsearch_utils.py", line 3235, in do_es_sweep_alert_query
    responses = multi_search.execute()

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Filed by @ERosendo