Error when creating Catalog file for Vista64 SP1 Custom Image

BMaro

My Deployment Workbench keeps erroring when i try to edit an Unattened.xml
for a task sequence of a Vista64 SP1 custom image captured with SCCM. I've
had no problems with this in the past but here is the WB error:

Create Catalog Failed
Assembly: mscorlib Assembly Version: 2.0.0.0 File Version: 2.0.50727.1433
(REDBITS.050727-1400)
Assembly: Microsoft.ManagementConsole Assembly Version: 3.0.0.0 File
Version: 5.2.3790.2560
Assembly: MMCFxCommon Assembly Version: 3.0.0.0 File Version:
5.2.3790.2560
Assembly: System Assembly Version: 2.0.0.0 File Version: 2.0.50727.1433
(REDBITS.050727-1400)
Assembly: System.Windows.Forms Assembly Version: 2.0.0.0 File Version:
2.0.50727.1433 (REDBITS.050727-1400)
Assembly: System.Drawing Assembly Version: 2.0.0.0 File Version:
2.0.50727.1433 (REDBITS.050727-1400)
Assembly: System.Configuration Assembly Version: 2.0.0.0 File Version:
2.0.50727.1433 (REDBITS.050727-1400)
Assembly: System.Xml Assembly Version: 2.0.0.0 File Version:
2.0.50727.1433 (REDBITS.050727-1400)
Assembly: Microsoft.BDD.Workbench Assembly Version: 3.0.0.0 File Version:
4.1.523.0
Assembly: Microsoft.BDD.ConfigManager Assembly Version: 3.0.0.0 File
Version: 4.1.523.0
Assembly: System.Data Assembly Version: 2.0.0.0 File Version:
2.0.50727.1433 (REDBITS.050727-1400)
Assembly: Microsoft.ComponentStudio.ComponentPlatformInterfa ce Assembly
Version: 6.0.0.0 File Version: 6.0.6001.18000 (longhorn_rtm.080118-1840)
Assembly: Microsoft.BDD.Wizards Assembly Version: 3.0.0.0 File Version:
4.1.523.0
Assembly: Accessibility Assembly Version: 2.0.0.0 File Version:
2.0.50727.1433 (REDBITS.050727-1400)

System.Exception: Error creating catalog for E:\Distribution\Operating
Systems\Vista64-ref\Vista64-ref.wim index 1
at Microsoft.BDD.ConfigManager.OSManager.GenerateCata log(String tag)
at Microsoft.BDD.Workbench.TaskSequenceOSCatalogWorke r.DoWork()

Anyone seen this problem?