Issue
Editing with Elementor gives the following error:
Error 520: Web Server Is Returning an Unknown Error.
You can get this error when the website does something unexpected, resulting in an unknown error.
Possible causes
Following may be the causes:
- Browser issue
- Rocket Loader issue (For Cloudflare users) – Rocket Loader automatically changes the scripts to load asynchronously, which breaks the site editor and prevents you from making changes.
Solution
- Try a different browser to troubleshoot.
- Cloudflare users may have a problem with its Rocket Loader feature. To resolve, see Elementor And Cloudflare Rocket Loader.
- Users who are not using Cloudflare can submit a ticket to Elementor support.