[Closed] Can't access the advanced editor to translate a page

Background of the issue:
I am trying to revise a translated page, but the advanced editor does not open. Instead, it opens the Elementor or WordPress editor. Here is the link to the page where the issue can be seen: hidden link

Symptoms:
The advanced editor to translate the page does not open. Instead, the WordPress editor opens to alter the primary language page.

Questions:
Why is the advanced editor not opening when I try to revise a translated page?
How can I access the advanced editor instead of the WordPress or Elementor editor?