This was added to the release notes, thanks:
== Kubuntu's Akonadi may need restarting ==
Akonadi startup is sometimes faulty preventing access to the address book and other resources. To work around this, close and restart Kontact. (Bug:564263)
This was added to the release notes, thanks:
== Kubuntu's Akonadi may need restarting ==
Akonadi startup is sometimes faulty preventing access to the address book and other resources. To work around this, close and restart Kontact. (Bug:564263)