سلام هنگامي كه دكمه تبديل quote to order رو ميزنم با خطاي زير مواجه ميشم
Fatal error: Uncaught Error: Call to undefined method WP_Error::add_product() in C:xampphtdocswordpresswp-contentpluginswoocommerce-request-a-quoteadminmeta-boxesquotesconvert-quote-to-order.php:39 Stack trace: #0 C:xampphtdocswordpresswp-contentpluginswoocommerce-request-a-quoteadminclass-af-r-f-q-admin.php(171): include_once() #1 C:xampphtdocswordpresswp-includesclass-wp-hook.php(294): AF_R_F_Q_Admin->afrfq_update_quote_details(802) #2 C:xampphtdocswordpresswp-includesclass-wp-hook.php(316): WP_Hook->apply_f
