"The link you followed has expired" error message when "Enable Authentication" is enabled

[jsincavage]

Checklist

• I have looked into the Readme and the documentation, and have not found a suitable solution or answer.
• I have searched the issues and have not found a suitable solution or answer.
• I have searched the Auth0 Community forums and have not found a suitable solution or answer.
• I agree to the terms within the Auth0 Code of Conduct.

Description

PHP version 8.1.27
WordPress version 6.1.1
Auth0 plugin version 5.2.0

Issue:
We cannot make any changes in WordPress after Enabling Authentication in Auth0 Settings.

Reproduction

1. Installed the Auth0 plugin version 5.2.0 via composer.
2. Activated the plugin
3. Auth0 > Options
4. Set settings. Application Configuration / Client ID, Client Secret, Domain. Set Database Connection. Save
5. Set "Enable Authentication" to "Enabled" and hit "Save Changes"
6. Change any other setting in WordPress and click "Save Changes".
   Expected Result: Settings Saved
   Actual Result: Error "The link you followed has expired". Setting NOT saved
   403 Error in the Logs

Additional context

No response

wp-auth0 version

5.2.0

WordPress version

6.1.1

PHP version

8.1.27

[jsincavage]

Fix:

1. Increased buffer size and upload size on the server.
2. Test in regular browser don’t test in incognito. I still get this error in the incognito browser. In regular browser issue doesn’t happen.