Cause
The server-owned approval deadline already expired the booking request. The request cannot be canceled or resolved again, and no appointment money may be processed.Fix
Refresh the appointment and render its expired state, then call the same operation again.Retry safety
Not retryable until the underlying state or request changes.Raised by
These operations can return this problem:- Cancel an appointment as a barber
- Create an appointment cancellation
- Cancel a specific appointment for me