Getting the following error trying to add a user to the server or
reinitialize his account thru the admin page

2011-08-10 13:09:17.826 INFO [CP WSGIServer Thread-27]
[DeviceInterface:490] [userID:] [eventID:] [objectID:] [Server]
Connection Blocked - user "<userdn>" initial sync failed.

2011-08-10 13:19:53.198 ERROR [Thread-10] [backgroundWorkMonitor:1359]
[userID:<userdn>] [eventID:] [objectID:] [Monitor] Initial Sync Error:
Problem syncing folders for user - <userdn>: exceptions must be classes
or instances, not NoneType

2011-08-10 13:19:53.439 ERROR [Thread-10] [backgroundWorkMonitor:398]
[userID:cn=<userdn>] [eventID:] [objectID:] [Monitor] Initial Sync
Error: Problem syncing e-mail for user - <userdn>: Initial Sync Error:
Problem on initial sync of email for user: <userdn>

Any thoughts on what that might be?