title: Cannot deregister AMI from AWS, "an error occurred attempting to deregister amis". Does anyone know the reason and provide a solution?
body: <p>I am attempting to clear my snapshots and AMI from AWS account, to delete snapshots i understand one needs to de-register the AMIs. But when i try to de-register through console, i am given the below error.
  "an error occurred attempting to deregister amis"</p>
  
  <p>Anyone has an idea about this issue?</p>