Catchable fatal error: Argument 1 passed to Joomla\Utilities\ArrayHelper::sortObjects() must be of the type array, boolean given, called in /web/egis/joomla_3/components/com_content/models/category.php on line 465 and defined in /web/egis/joomla_3/libraries/vendor/joomla/utilities/src/ArrayHelper.php on line 489