Base Image Error: Sequence Contains More Than One Matching Element (4034343)

The following error appears when attempting to take a base image:

ERROR 2013-09-23T15:09:46 [97] – Replay.Core.Implementation.Transfer.TransferQueueEntry ()

Transfer task ‘e862836b-bb25-439c-bc3d-b4ebf117ee7e’ failed

System.AggregateException: One or more errors occurred. —> Replay.Core.Contracts.Transfer.CoreTransferFailedException: The transfer of one or more volume images from a protected machine to the Core failed —> System.AggregateException: One or more errors occurred. —> System.InvalidOperationException: Sequence contains more than one matching element

at System.Linq.Enumerable.SingleOrDefault[TSource](IEnumerable`1 source, Func`2 predicate)

at Replay.Core.Implementation.RecoveryPoints.RecoveryPointsService.GetOrCreateAgentDirectory(IRepository repository, Guid agentId, String agentName)

at Replay.Core.Implementation.RecoveryPoints.RecoveryPointsService.CreateNewBaseVolumeImage(VolumeImageBuilderParameters builderParameters)

at Replay.Core.Implementation.Transfer.VolumeTransferJob.<>c__DisplayClass19.<DetermineDataToSendTask>b__17()

This error indicates that more likely the issue is caused by the volume images duplicates.