Certificate                                     ACME/STAR
   User                    IdO                     Server
   |                       |                       |
   |                       |      Cancel Order     |
   |                       +---------------------->|
   |                       |                       +-------.
   |                       |                       |       |
   |                       |                       | End auto-renewal  
   |                       |                       | Remove cert link
   |                       |                       | etc.
   |                       |                       |       |
   |                       |         Done          |<------'
   |                       |<----------------------+
   |                       |                       |
   |                                               |
   |              Retrieve cert                    |
   +---------------------------------------------->|
   |              Error: autoRenewalCanceled       |
   |<----------------------------------------------+
   |                                               |