Deprecated: Using null as an array offset is deprecated, use an empty string instead in /class-two-factor-core.php on line 657

[masteradhoc]

Describe the bug

When visiting the page /wp-admin/users.php i get this deprecated message:

Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/vhosts/wootest.precube.li/httpdocs/wp-content/plugins/two-factor/class-two-factor-core.php on line 657

Steps to Reproduce

1. go to /wp-admin/users.php
2. setup totp, backup codes and email codes for a user
3. go to /wp-admin/users.php
4. see the deprecation message

Screenshots, screen recording, code snippet

No response

Environment information

• newest wordpress
• php 8.5

Please confirm that you have searched existing issues in this repository.

Yes

Please confirm that you have tested with all plugins deactivated except Two-Factor.

Yes