Windows Server 2016 Backup fails

About two weeks ago my backup stopped working on my Hyper-V host using Windows Server backup.  The backup Windows show no backups, and the logs just state that the backup engine stopped.  If I try to run a manual backup it fails with the message below.

Log Name:      Application
Source:        Microsoft-Windows-Backup
Date:          11/23/2016 2:14:58 PM
Event ID:      517
Task Category: None
Level:         Error
Keywords:      
User:          SYSTEM
Computer:      HV01.mydomain.com
Description:
The backup operation that started at '‎2016‎-‎11‎-‎23T19:14:40.963061600Z' has failed with following error code '0x80780102' (The system writer is not found in the backup.). Please review the event details for a solution, and then rerun the backup operation once the issue is resolved.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
  <System>
    <Provider Name="Microsoft-Windows-Backup" Guid="{1DB28F2E-8F80-4027-8C5A-A11F7F10F62D}" />
    <EventID>517</EventID>
    <Version>1</Version>
    <Level>2</Level>
    <Task>0</Task>
    <Opcode>0</Opcode>
    <Keywords>0x8000000000000000</Keywords>
    <TimeCreated SystemTime="2016-11-23T19:14:58.586401600Z" />
    <EventRecordID>1230</EventRecordID>
    <Correlation />
    <Execution ProcessID="3904" ThreadID="5192" />
    <Channel>Application</Channel>
    <Computer></Computer>
    <Security UserID="S-1-5-18" />
  </System>
  <EventData>
    <Data Name="BackupTime">2016-11-23T19:14:40.963061600Z</Data>
    <Data Name="ErrorCode">0x80780102</Data>
    <Data Name="ErrorMessage">%%2155348226</Data>
  </EventData>
</Event>