Topic on Talk:Wikibase

Error: Class 'Onoi\MessageReporter\Observa bleMessageReporter' not found Backtrace: from /var/www/html/mediawiki/extensions/Wikibase/repo/maintenance/rebuildItemsPe rSite.php(82)

1. 0 /var/www/html/mediawiki/maintenance/doMaintenance.php(114): Wikibase\Repo\Mai ntenance\RebuildItemsPerSite->execute()
2. 1 /var/www/html/mediawiki/extensions/Wikibase/repo/maintenance/rebuildItemsPerS ite.php(147): require_once(string)
3. 2 {main}