ADGraphGroupOperationFailed - Need to know what this means!

We've posted a bunch in the forums about this error.  We have zero idea what it means and cannot find any information to aid us in fixing whatever issue is happening to cause this error.

CAN SOMEBODY PLEASE TELL US WHAT THIS MEANS?

Microsoft Staff should take note:  Error title is worthless as it's not telling us anything of value to fix.  Please offer SOME type of information of the error message.