Crontab typo '* */6' -> '0 */6' (4x/day not 1x-per-min-for-1h 4x/day)

config/initializers/1_settings.rb

@@ -302,7 +302,7 @@ Settings.cron_jobs['remove_expired_group_links_worker'] ||= Settingslogic.new({}
 Settings.cron_jobs['remove_expired_group_links_worker']['cron'] ||= '10 0 * * *'
 Settings.cron_jobs['remove_expired_group_links_worker']['job_class'] = 'RemoveExpiredGroupLinksWorker'
 Settings.cron_jobs['prune_old_events_worker'] ||= Settingslogic.new({})
-Settings.cron_jobs['prune_old_events_worker']['cron'] ||= '* */6 * * *'
+Settings.cron_jobs['prune_old_events_worker']['cron'] ||= '0 */6 * * *'
 Settings.cron_jobs['prune_old_events_worker']['job_class'] = 'PruneOldEventsWorker'
 
 Settings.cron_jobs['trending_projects_worker'] ||= Settingslogic.new({})