34 every 12hrs https://logstash.wikimedia.org/app/kibana#/doc/logstash-*/logstash-2020.10.07/clienterror/?id=AXUEgiCfLNRtRo5XkXRz
at VeDmTreeModifier.ve.dm.TreeModifier.processRetain URL1:146:126 at VeDmTreeModifier.ve.dm.TreeModifier.processLinearOperation URL1:143:983 at VeDmTreeModifier.ve.dm.TreeModifier.calculateTreeOperations URL1:143:705 at VeDmTreeModifier.ve.dm.TreeModifier.process URL1:143:40 at VeDmTransactionProcessor.ve.dm.TransactionProcessor.process URL1:89:41 at VeDmDocument.ve.dm.Document.commit URL1:211:626 at VeDmSurface.ve.dm.Surface.changeInternal URL1:172:489 at VeDmSurface.ve.dm.Surface.undo URL1:174:368 at VeUiHistoryAction.ve.ui.HistoryAction.undo URL1:673:539 at VeUiMWSurface.ve.ui.Surface.execute URL1:595:2 URL1: https://sk.wikipedia.org/w/load.php?lang=sk&modules=ext.visualEditor.core&skin=vector&version=1xow1