Catchable fatal error: Argument 1 passed to Joomla\Utilities\ArrayHelper::sortObjects() must be of the type array, boolean given, called in /www/htdocs/v107762/draftec.de/components/com_content/models/category.php on line 462 and defined in /www/htdocs/v107762/draftec.de/libraries/vendor/joomla/utilities/src/ArrayHelper.php on line 486