While working with Patch management, we've gotten several errors of the format

Error: [1/28/08 1:55:33 PM] BundleManager ActionMan.InnaccessibleContent The content for 5cea7e30b1e515c75f76aa40c2839ffc is not accessible at this time. Please try again later.

with differing content GUIDs.

Is there an easy way (or even a complex way) to correct these errors and get the package to redownload properly?