Fatal error: Uncaught Error: Interface "Wikibase\Repo\ParserOutput\StatementDataUpdater" not found in /home/floten1/q.tenbergen.ca/extensions/Math/src/MathDataUpdater.php:16 Stack trace: #0 {main} thrown in /home/floten1/q.tenbergen.ca/extensions/Math/src/MathDataUpdater.php on line 16