Error database

Hello,

I am getting errors like these. Any idea what could be causing it or what I could do about it?

Thanks..

FastCGI sent in stderr: "PHP message: WordPress database error You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ') ORDER BY position ASC, ID DESC' at line 1 for query SELECT i.* FROM wp_yith_wcwl as i INNER JOIN wp_posts as p on i.prod_id = p.ID WHERE wishlist_id = 1 AND p.post_type IN ( 'product', 'product_variation' ) AND p.post_status = 'publish' AND prod_id NOT IN ( ) ORDER BY position ASC, ID DESC made by do_action('wp_ajax_add_to_wishlist'), WP_Hook->do_action, WP_Hook->apply_filters, YITH_WCWL_Ajax_Handler::add_to_wishlist, YITH_WCWL->add, YITH_WCWL_Wishlist->has_product, YITH_WCWL_Wishlist->get_items, WC_Data_Store->__call, YITH_WCWL_Wishlist_Data_Store->read_itemsPHP message: WordPress database error You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ') ORDER BY position ASC, ID DESC' at line 1 for query SELECT i.* FROM wp_yith_wcwl as i INNER JOIN wp_posts as p on i.prod_id = p.ID WHERE wishlist_id = 1 AND p.post_type IN ( 'product', 'product_variation' ) AND p.post_status = 'publish' AND prod_id NOT IN ( ) ORDER BY position ASC, ID DESC made by do_action('wp_ajax_add_to_wishlist'), WP_Hook->do_action, WP_Hook->apply_filters, YITH_WCWL_Ajax_Handler::add_to_wishlist, YITH_WCWL->add, YITH_WCWL_Wishlist->save, YITH_WCWL_Wishlist->save_items, WC_Data->save, WC_Data_Store->create, YITH_WCWL_Wishlist_Item_Data_Store->create, YITH_WCWL_Wishlist_Factory::get_wishlist_item_by_product_id, YITH_WCWL_Wishlist->get_product, YITH_WCWL_Wishlist->has_product, YITH_WCWL_Wishlist->get_items, WC_Data_Store->__call, YITH_WCWL_Wishlist_Data_Store->read_itemsPHP message: WordPress database error You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ') ORDER BY position ASC, ID DESC' at line 1 for query SELECT i.* FROM wp_yi