I'm getting the following error when I try to upgrade to 5.0.2... Can anyone shed some light on this??? All the notebooks are empty after I upgrade and I can't seem to figure out whats wrong. Thankfully I'm using VMWare so I was able to roll back to the pre-upgrade snapshot.

Initializing folders
*** Running as zimbra user: /opt/zimbra/bin/zmprov impn wiki@domain.com /opt/zimbra/wiki/Template TemplateInitializing...
Creating wiki page _TocBodyTemplate in folder Template
ERROR: wiki.ERROR (error: import) (cause: com.zimbra.common.soap.SoapFaultException system failure: java.lang.NullPointerException)