PleskFatalException

[Mirzan]

Buenas,

Intento loguearme en Plesk y aparece el siguiente error:
---
ERROR: PleskFatalException
wrong id

0: /usr/local/psa/admin/plib/user/UserClient.php:23
UserClient->__construct(NULL null)
1: /usr/local/psa/admin/plib/class.Session.php:189
Session->getUser()
2: /usr/local/psa/admin/plib/class.Session.php:531
Session->getDefaultContext()
3: /usr/local/psa/admin/plib/class.Session.php:549
Session->getContext()
4: /usr/local/psa/admin/plib/class.Pathbar.php:41
Pathbar->__construct()
5: /usr/local/psa/admin/plib/class.Pathbar.php:14
pathbarMaker()
6: /usr/local/psa/admin/auto_prepend/auth.php3:454
---

¿Alguna sugerencia?