[Решено] Need help related to duplication of the pages,post etc

Background of the issue:
I am developing a site and want to duplicate pages. I am following the documentation at https://wpml.org/documentation/translating-your-contents/using-different-translation-editors-for-different-pages/#how-to-use-manual-translation.

Symptoms:
After duplicating pages, they are not connected to the default language page.

Questions:
How can I ensure that duplicated pages are connected to the default language page?