PRO HEADER EDITOR does not visually load the work - How can I solve this?

[DZAW]

Hello, forgive my written English, if it is not understandable.

URL: neatique.com
Product: Pro

Problem description:
I have recently purchased the PRO license and I’m starting to use the header editor, but a problem often occurs:
When I access the header editor I click on the title I gave to the header and then show the preview, but then when I click EDIT and inside the editor the work is not shown visually, only the settings in the Layout Inspector section seem to be loaded.
So I think the work is saved but not shown.

Useful data:

• The wordpress version is 4.8.3, I have no plug-ins installed and active.
  The PHP version I selected on hosting service is 7.1.8.
  I don’t use CDN’s cache.

Tested Solutions
I tried to clear the cache browser from chrome, as suggested in another support post, and sometimes it works (1 time out of 10), but not always.

I also tried to increase the allocated memory, as suggested by @Jade in this post:

Cannot load Header Editor in Pro

by inserting in the wp-config. php file, below

/* That’s all, stop editing! Happy blogging. */

These commands

define( 'WP_MEMORY_LIMIT', '256M' );
define( 'WP_MAX_MEMORY_LIMIT', '512M' );

Unfortunately, it does not seem to work.

Thank you for your help
Good work for the staff

[lely]

Hi There,

Since you have done basic troubleshooting already, we need to check your site directly. Please provide wordpress admin and FTP credentials on a secure note.

[DZAW]

How do I create a secure note?

[Prasant]

Hello @INDIGITALIA,

You can use key icon to create a secure note. https://screencast.com/t/TXas2DooE6

Thanks.