Fatal error: Declaration of Walker_Portfolio_Category::start_el(&$output, $category, $depth, $args) must be compatible with Walker_Category::start_el(&$output, $data_object, $depth = 0, $args = [], $current_object_id = 0) in /home/2/c/camillaedvardsen/www/wp-content/themes/heat-package/heat/functions.php on line 2662