Hi, I get this error in product page:
Fatal error: Uncaught Error: [] operator not supported for strings in /home/customer/www/artigianoshop.co.uk/public_html/wp-content/themes/xstore/framework/woo.php:4300 Stack trace: #0 /home/customer/www/artigianoshop.co.uk/public_html/wp-includes/class-wp-hook.php(307): {closure}(Array, Object(WC_Product_Simple)) #1 /home/customer/www/artigianoshop.co.uk/public_html/wp-includes/plugin.php(189): WP_Hook->apply_filters(Array, Array) #2 /home/customer/www/artigianoshop.co.uk/public_html/wp-content/plugins/woocommerce/includes/class-wc-structured-data.php(328): apply_filters('woocommerce_str...', Array, Object(WC_Product_Simple)) #3 /home/customer/www/artigianoshop.co.uk/public_html/wp-includes/class-wp-hook.php(307): WC_Structured_Data->generate_product_data(Object(WC_Product_Simple)) #4 /home/customer/www/artigianoshop.co.uk/public_html/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters('', Array) #5 /home/customer/www/artigianoshop.co.uk/public_html/wp-includes/plugin.php(474): WP_Hook->do_action(Array) #6 /home/c in /home/customer/www/artigianoshop.co.uk/public_html/wp-content/themes/xstore/framework/woo.php on line 4300
There has been a critical error on this website.
Example page: https://www.artigianoshop.co.uk/shop/wines/white-wines/gavi-di-gavi-la-smilla/
Could you help?