[Risolto] Product translation stuck in progress

Background of the issue:
I am trying to translate products on my website, but some product translations are stuck in progress. Additionally, it seems that not all products are translated. The issue can be seen on this page: link nascosto

Symptoms:
Product translations are stuck in progress, and not all products are translated as expected.

Questions:
Why are some product translations stuck in progress?
Why are not all products translated?