A few issues
1) I changed Woocommerce product image size and the theme displays several errors:
Warning: A non-numeric value encountered in /home/fonderia/public_html/wp-content/themes/merci/framework/includes/visual-composer.php on line 1157
Warning: session_start(): Cannot send session cache limiter - headers already sent (output started at /home/fonderia/public_html/wp-content/themes/merci/framework/includes/visual-composer.php:1157) in /home/fonderia/public_html/wp-content/themes/merci/framework/includes/theme-functions.php on line 7
2) with the same setting the Woocommerce products are not displayed anymore in the homepage https://www.galleriafonderia.com/
3) I upgraded the included plugin YITH WooCommerce Wishlist to the premium version and all the wishlist reference disappeared.
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Let me know, thanks, Carlo