[Jan Lydman]

Ok, thanks for the info, we’ll check this. Apparently this is a custom functionality made years ago by previous developer, straight to the storefront theme, which is not(as you mentioned) the correct way.

[Jan Lydman]

Here is the full stack trace:
Fatal error: Uncaught Error: Call to a member function get_meta() on string in /home/sinituotefi/website/wp-content/plugins/woocommerce-auto-added-coupons-pro/pro/plugins/WJECF_Pro_Free_Products/WJECF_Pro_Free_Products.php:764 Stack trace: #0 /home/sinituotefi/website/wp-content/themes/storefront/assets/functions/WC_SINI_Shipping.php(270): WJECF_Pro_Free_Products->get_coupon_free_product_ids() #1 /home/sinituotefi/website/wp-content/plugins/woocommerce/includes/abstracts/abstract-wc-shipping-method.php(233): WC_SINI_Shipping->calculate_shipping() #2 /home/sinituotefi/website/wp-content/plugins/woocommerce/includes/class-wc-shipping.php(348): WC_Shipping_Method->get_rates_for_package() #3 /home/sinituotefi/website/wp-content/plugins/woocommerce/includes/class-wc-shipping.php(260): WC_Shipping->calculate_shipping_for_package() #4 /home/sinituotefi/website/wp-content/plugins/woocommerce/includes/class-wc-cart.php(1423): WC_Shipping->calculate_shipping() #5 /home/sinituotefi/website/wp-content/plugins/woocommerce/includes/class-wc-cart-totals.php(339): WC_Cart->calculate_shipping() #6 /home/sinituotefi/website/wp-content/plugins/woocommerce/includes/class-wc-cart-totals.php(850): WC_Cart_Totals->get_shipping_from_cart() #7 /home/sinituotefi/website/wp-content/plugins/woocommerce/includes/class-wc-cart-totals.php(144): WC_Cart_Totals->calculate_shipping_totals() #8 /home/sinituotefi/website/wp-content/plugins/woocommerce/includes/class-wc-cart-totals.php(134): WC_Cart_Totals->calculate() #9 /home/sinituotefi/website/wp-content/plugins/woocommerce/includes/class-wc-cart.php(1401): WC_Cart_Totals->__construct() #10 /home/sinituotefi/website/wp-content/plugins/woocommerce/includes/shortcodes/class-wc-shortcode-checkout.php(298): WC_Cart->calculate_totals() #11 /home/sinituotefi/website/wp-content/plugins/woocommerce/includes/shortcodes/class-wc-shortcode-checkout.php(67): WC_Shortcode_Checkout::checkout() #12 /home/sinituotefi/website/wp-content/plugins/woocommerce/includes/class-wc-shortcodes.php(72): WC_Shortcode_Checkout::output() #13 /home/sinituotefi/website/wp-content/plugins/woocommerce/includes/class-wc-shortcodes.php(95): WC_Shortcodes::shortcode_wrapper() #14 /home/sinituotefi/website/wp-includes/shortcodes.php(355): WC_Shortcodes::checkout() #15 [internal function]: do_shortcode_tag() #16 /home/sinituotefi/website/wp-includes/shortcodes.php(227): preg_replace_callback() #17 /home/sinituotefi/website/wp-includes/class-wp-hook.php(308): do_shortcode() #18 /home/sinituotefi/website/wp-includes/plugin.php(205): WP_Hook->apply_filters() #19 /home/sinituotefi/website/wp-includes/post-template.php(255): apply_filters() #20 /home/sinituotefi/website/wp-content/themes/storefront/inc/storefront-template-functions.php(365): the_content() #21 /home/sinituotefi/website/wp-includes/class-wp-hook.php(308): storefront_page_content() #22 /home/sinituotefi/website/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters() #23 /home/sinituotefi/website/wp-includes/plugin.php(517): WP_Hook->do_action() #24 /home/sinituotefi/website/wp-content/themes/storefront/content-page.php(21): do_action() #25 /home/sinituotefi/website/wp-includes/template.php(785): require(‘/home/sinituote…’) #26 /home/sinituotefi/website/wp-includes/template.php(718): load_template() #27 /home/sinituotefi/website/wp-includes/general-template.php(204): locate_template() #28 /home/sinituotefi/website/wp-content/themes/storefront/templates/template-fullwidth.php(22): get_template_part() #29 /home/sinituotefi/website/wp-includes/template-loader.php(106): include(‘/home/sinituote…’) #30 /home/sinituotefi/website/wp-blog-header.php(19): require_once(‘/home/sinituote…’) #31 /home/sinituotefi/website/index.php(17): require(‘/home/sinituote…’) #32 {main} thrown in /home/sinituotefi/website/wp-content/plugins/woocommerce-auto-added-coupons-pro/pro/plugins/WJECF_Pro_Free_Products/WJECF_Pro_Free_Products.php on line 764

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