https://logstash.wikimedia.org/goto/a15c9fdfe7083d2aa5f5815d5cf0a8e6
This seems like a high priority issue with thousands of failing jobs over the last day
I suspect this might be due to the recent namespacing change ??
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/TimedMediaHandler/+/778520