Fatal error: Uncaught Error: Class "MediaWiki\Api\ApiBase" not found in /home/floten1/wiki.squirrelslair.ca/extensions/VisualEditor/editcheck/includes/ApiEditCheckReferenceUrl.php:13 Stack trace: #0 {main} thrown in /home/floten1/wiki.squirrelslair.ca/extensions/VisualEditor/editcheck/includes/ApiEditCheckReferenceUrl.php on line 13