Hello,

Sorry but WooCommerce Multilingual is requaired to proper working woocommerce with WPML
“Allows running fully multilingual e-Commerce sites with WooCommerce and WPML.”

this is not the problem. Problem is that Your Theme make some problems with translations and doesnt read .po and .mo translations correctly.

Why before it was working with LOCO translation?

Even “browse categories” was working with loco translation and now just stopped and have to use WPML string translations.

this was working too

#: woocommerce/content-product_cat.php:81
#, php-format
msgid "%s product"
msgid_plural "%s products"
msgstr[0] "%s produkt"
msgstr[1] "%s produkty"
msgstr[2] "%s produktów" 

but now only single and plural workin, other = msgstr[2] “%s produktów” is not used any more.

In Polish lang we use this for example number 7 as described to You in this topic.

This was working and now it wont