Hi,
Sorry for late reply. Not sure if this error log is useful for you, since we have reinstalled the backup version of the site after the the plugin update crash.
2022-02-03T00:20:20+00:00 CRITICAL Uncaught Exception: Invalid product. in /www/xxx/public/wp-content/plugins/woocommerce/includes/data-stores/class-wc-product-data-store-cpt.php:167
Stack trace:
#0 /www/xxx/public/wp-content/plugins/woocommerce/includes/class-wc-data-store.php(159): WC_Product_Data_Store_CPT->read(Object(WC_Product))
#1 /www/xxx/public/wp-content/plugins/woocommerce/includes/abstracts/abstract-wc-product.php(137): WC_Data_Store->read(Object(WC_Product))
#2 /www/xxx/public/wp-content/themes/atelier/swift-framework/core/sf-header.php(1315): WC_Product->__construct('16271')
#3 /www/xxx/public/wp-content/themes/atelier/swift-framework/core/sf-header.php(1362): atelier_get_wishlist_product('16271')
#4 /www/xxx/public/wp-includes/class-wp-hook.php(303): atelier_add_to_wishlist('')
#5 /www/xxx/public/wp-includes/class-wp-hook.php(327): WP_Hook->apply_filters('', Array)
#6 /www/xxx/public/wp-includes/plugin.php(470): WP_Hook->do_action(Array)
#7 /www/xxx in /www/xxx/public/wp-content/plugins/woocommerce/includes/data-stores/class-wc-product-data-store-cpt.php on line 167
I have changed the server address /www/original_path into /www/xxx for site security.