hello am getting follow error :

Fatal error: Uncaught Error: Class ‘WC_Product’ not found in /home2/u1525umz/public_html/voogun.com/wp-content/plugins/sensei/includes/class-sensei-wc.php:1398 Stack trace: #0 /home2/u1525umz/public_html/voogun.com/wp-content/plugins/sensei/includes/class-sensei.php(1219): Sensei_WC::get_product_object(‘367’, ’’) #1 /home2/u1525umz/public_html/voogun.com/wp-content/themes/learn/sensei/single-course.php(96): Sensei_Main->sensei_get_woocommerce_product_object(‘367’) #2 /home2/u1525umz/public_html/voogun.com/wp-includes/template-loader.php(74): include(’/home2/u1525umz…’) #3 /home2/u1525umz/public_html/voogun.com/wp-blog-header.php(19): require_once(’/home2/u1525umz…’) #4 /home2/u1525umz/public_html/voogun.com/index.php(17): require(’/home2/u1525umz…’) #5 {main} thrown in /home2/u1525umz/public_html/voogun.com/wp-content/plugins/sensei/includes/class-sensei-wc.php on line 1398