[Users] Getting a stream of errors inside engine.log

[Robert Middleswarth]

Getting a log full of error messages like these.

2012-06-21 21:03:30,075 ERROR 
[org.ovirt.engine.core.engineencryptutils.EncryptionUtils] 
(QuartzScheduler_Worker-90) Failed to decryptData must start with zero
2012-06-21 21:03:46,235 ERROR 
[org.ovirt.engine.core.engineencryptutils.EncryptionUtils] 
(QuartzScheduler_Worker-18) Failed to decryptData must not be longer 
than 128 bytes

What is causing this and what can I do to fix it?

Thanks
Robert