Reply to Cannot restore Developer Transition Kit. And here. Restoring from using Catalina 10.15.7 (19H2) Apple Configurator Version 2.13.1 (5A35) "The operation couldn’t be completed. (AMRestoreErrorDomain error 10 - Failed to handle message type StatusMsg) [AMRestoreErrorDomain – 0xA (10)]" App & System Services Core OS Oct ’20