Error: Root element is missing

[robo_cop]

We just launched ZCM Patch Management in production and there are a few workstations that cannot complete the installation portion of the DAU.

The error we are receiving is:

Full Message: Failed to process action: Root element is missing.
Additional Information: None
Severity: Error
Date: October 8, 2009 11:10:45 AM
Acknowledged Date: None
Source: /Devices/Workstations/WW/r6510895
Message ID: ActionMan.FailureProcessingActionException
Probable Cause URL: None
Log ID: 52a2cf2b1e14dfc19593645d406c7096
Related Objects: /Bundles/ZPM/Discover Applicable Updates Windows-x86-en-XPsp3

Thanks in advanced!