title: ValidationError Stack:arn aws cloudformation stack is in ROLLBACK_COMPLETE state and can not be updated
body: <p>When I deploy using cloudformation <code>aws cloudformation deploy --region $region --stack-name ABC</code></p>
  
  <p>Got error: </p>
  
  <blockquote>
    <p>An error occurred (ValidationError) when calling the CreateChangeSet
    operation:
    Stack:arn:aws:cloudformation:stack/service/7e1d8c70-d60f-11e9-9728-0a4501e4ce4c
    is in ROLLBACK_COMPLETE state and can not be updated.</p>
  </blockquote>
  
  <p>Please help me !</p>