Calendar Synch Error

Icloud Calendar Synch Error.
I am receiving the following error - Can not access a closed stream.  How do I correct it?

10:29:05 AM   MailClient.Storage.Application.OperationException: Error when synchronizing CalDAV folder: System.ObjectDisposedException: Can not access a closed Stream.
10:29:05 AM    at System.Net.GZipWrapperStream.Read(Byte[] buffer, Int32 offset, Int32 size) 10:29:05 AM    at MailClient.Streams.StreamHelper.CopyStream(Stream inputStream, Stream outputStream, Nullable1 cancellationToken, ProgressReporter reporter) 10:29:05 AM    at MailClient.Protocols.CalDav.Synchronizer.ContactItemSynchronizer.CreateItem(Folder folder, Component componentPayload, Uri uri, String eTag, CancellationToken cancellationToken) 10:29:05 AM    at MailClient.Protocols.CalDav.Synchronizer.SynchronizeItemsCommand.CreateCardDavItem(Stream payloadStream, Uri uri, String eTag) 10:29:05 AM    at MailClient.Protocols.CalDav.Synchronizer.SynchronizeItemsCommand.CreateCardDavItem(ResponseItem item, Uri responseUri) 1 0:29:05 AM    at MailClient.Protocols.CalDav.Synchronizer.SynchronizeItemsCommand.DownloadItemsMultiget(IList1 uris, Boolean calDav)
10:29:05 AM    at MailClient.Protocols.CalDav.Synchronizer.SynchronizeItemsCommand.ProcessItems(Dictionary`2 items, Boolean deltaSyncReport)
10:29:05 AM    at MailClient.Protocols.CalDav.Synchronizer.SynchronizeItemsCommand.Execute(WorkerStatus status)
10:29:05 AM    at MailClient.Protocols.CalDav.Synchronizer.SynchronizeItemsCommand.Execute(WorkerStatus status) 10:29:05 AM    at MailClient.Commands.Command.Process(WorkerStatus status)