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# VZError.Code.invalidVirtualMachineStateTransition

An invalid state transition error.

```
case invalidVirtualMachineStateTransition
```

## Discussion

This error occurs when you attempt to change the state of the virtual machine in an invalid way. For example, it occurs when you attempt to start a virtual machine when its [`canStart`](/documentation/Virtualization/VZVirtualMachine/canStart) property is <doc://com.apple.documentation/documentation/Swift/false>.

---

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