@magnusbaeck why do you think that is? rufus-scheduler is the one that producing error, besides before adding schedule query worked just fine, but I'll go ahead and double check it anyways.
I have multiple pipelines in logstash, and it looks like at least one of pipeline query was misconfigured and that's why rufus-scheduler was reporting an error, I was looking into wrong pipeline at first, but then I found issue in another)
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