[Resolvido] I am not able to do auto translation on some of pages it shoes error.

Background of the issue:
I am working on a site under development and trying to use WPML for auto translation of pages.

Symptoms:
I am not able to do auto translation on some of the pages; it shows an error.

Questions:
What could be causing the error when attempting auto translation on some pages?
Are there specific settings in WPML that need to be adjusted for auto translation to work?