[urbanecm@mwmaint1002 ~]$ mwscript deleteBatch.php --wiki=ruwiki -u 'Martin Urbanec' -r 'Uninstalling Flow per request in [[:phab:T282132]]'
Topic:Seabmy9ci4gh1lu8
Topic:Seabmy9ci4gh1lu8MWUnknownContentModelException from line 201 of /srv/mediawiki/php-1.37.0-wmf.6/includes/content/ContentHandlerFactory.php: The content model 'flow-board' is not registered on this wiki.
See https://www.mediawiki.org/wiki/Content_handlers to find out which extensions handle this content model.