Hello,

The problem is caused by the missing translation in WPML.

You have set Dutch as the default language: https://gyazo.com/68dabfe736562e6f61ea45aa5bfe00c1

At the same time, you have not translated all the Woocommerce functional pages, categories, attributes, and products to Dutch. Pease changes the default language or create the translation for all the content.

If you have any questions please feel free to contact us.

Best Regards