Fatal error: Call to undefined function vc_path_dir() in D:Hosting12783180htmlwp-contentthemesfashionsubvc_shortcodesclassall_products.php on line 3

<?php
// require_once vc_path_dir('SHORTCODES_DIR', 'vc-posts-grid.php');
class WPBakeryShortCode_Wpo_All_Products extends WPBakeryShortCode {

    public function getListQuery(){
        $list_query = array();
        $types = explode(',', $this->atts['show_tab']);
        foreach ($types as $type) {
            $list_query[$type] = $this->getTabTitle($type);
        }
        return $list_query;
    }

    public function getTabTitle($type){
        switch ($type) {
            case 'recent':
                return array('title'=>__('Latest Products',TEXTDOMAIN),'title_tab'=>__('Latest',TEXTDOMAIN));
            case 'featured_product':
                return array('title'=>__('Featured Products',TEXTDOMAIN),'title_tab'=>__('Featured',TEXTDOMAIN));
            case 'top_rate':
                return array('title'=> __('Top Rated Products',TEXTDOMAIN),'title_tab'=>__('Top Rated', TEXTDOMAIN));
            case 'best_selling':
                return array('title'=>__('BestSeller Products',TEXTDOMAIN),'title_tab'=>__('BestSeller',TEXTDOMAIN));
            case 'on_sale':
                return array('title'=>__('Special Products',TEXTDOMAIN),'title_tab'=>__('Special',TEXTDOMAIN));
        }
    }
}