[Support request] Scrape nonce check failed. Please try again. error – since WP 4.9 update

[Rob]

When trying to edit a page template (or any other PHP file) using Appearance > Editor, I am getting a “Scrape nonce check failed. Please try again.” error. It started happening in WordPress 4.9.

I am using GeneratePress 2.0. I have contacted the host, and they tried changing PHP versions, but still got the same error. I have deactivated ALL plugins -> the error persists. I have deactivated the child theme, as well as changed to an entirely different theme -> error still persists.

Any suggestions?

[Tom]

Seems like a somewhat common error for some in 4.9.

https://wordpress.org/support/topic/unable-to-edit-theme-in-editor-after-wordpress-4-9-update/
https://wordpress.org/support/topic/scrape-nonce-check-failed-please-try-again/

If you’ve done thing like deactivate plugins, change themes etc.. it means there’s likely something hosting related going on.

[Author]

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