Auto discover not working. please help

Logs
[1366187] [FATAL] [#unknown] FatalException: Invalid input XML: no email address. - code: 0 - file: /usr/share/z-push/autodiscover/autodiscover.php:164
[1366187] [FATAL] [#unknown] Exception: (FatalException) - Invalid input XML: no email address.
[1366187] [ERROR] [#unknown] Unable to complete autodiscover because of ZPushException. Error: Invalid input XML: no email address

Server :

OS: Ubuntu 22
PHP Version: 7.4
Z-push: 2.6.4

Smartphone :

Device: Mobile
OS: Android 13
Mail App GMail