T^he editor has encountered an unexpected error on PAGES>NEW

Firstly, desactive all plugins you’ve installed. Then, check out whether the issue still occurs.

I deactivated all plugins and error still occurs.

1. Firstly, back up your WP installation;
2. Then, desactive all plugins;
3. The, change the theme;
4. Check out whether the issue still persist.

• This reply was modified 2 years, 6 months ago by Jorge Luiz.
• This reply was modified 2 years, 6 months ago by Jorge Luiz. Reason: Improved my answer

I performed steps 1-3 and the problem still persists.

You use the commercial PageBuilder Divi as editor. I would recommend you to contact their support: https://www.elegantthemes.com/contact/
Questions about commercial products are not allowed here in the forum.