Fatal error: Uncaught Error: Class 'WC_Coupon' not found in /home/afraa/public_html/wp-content/plugins/woocommerce-product-list/includes/classes/BirthdayCoupon.php:38 Stack trace: #0 /home/afraa/public_html/wp-content/plugins/woocommerce-product-list/woocommerce-product-list.php(36): WCPL\BirthdayCoupon::createCoupon('1000000', 'W7ZJ992G') #1 /home/afraa/public_html/wp-settings.php(517): include_once('/home/afraa/pub...') #2 /home/afraa/public_html/wp-config.php(116): require_once('/home/afraa/pub...') #3 /home/afraa/public_html/wp-load.php(50): require_once('/home/afraa/pub...') #4 /home/afraa/public_html/wp-blog-header.php(13): require_once('/home/afraa/pub...') #5 /home/afraa/public_html/index.php(17): require('/home/afraa/pub...') #6 {main} thrown in /home/afraa/public_html/wp-content/plugins/woocommerce-product-list/includes/classes/BirthdayCoupon.php on line 38