[Risolto] WPML did not manage to complete this translation

Background of the issue:
I am trying to translate WooCommerce products using the WPML translate editor.

Symptoms:
I sometimes get the error 'WPML did not manage to translate this page' when translating WooCommerce products.

Questions:
Why does the error occur only with WooCommerce products?
How can I resolve the translation error with WPML?