[Решено] Translated page is returning a 404 and review button infinite loading

Background of the issue:
I am trying to access the translate view page on our site скрытая ссылка. An author on our site is unable to access this page, and I have encountered an issue with a translated page returning a 404 error.

Symptoms:
The review button on the translate view page is infinitely loading, and a translated page is returning a 404 error.

Questions:
Why is the review button on the translate view page infinitely loading?
Why is the translated page returning a 404 error?