# ProcessErrorType
<span class="source-link">[[Source]](src/process/process_error.md#L-0-26)</span>
```pony
type ProcessErrorType is
  (ExecveError val | PipeError val | ForkError val | WaitpidError val | WriteError val | KillError val | CapError val | ChdirError val | UnknownError val)
```

#### Type Alias For

* ([ExecveError](process-ExecveError.md) val | [PipeError](process-PipeError.md) val | [ForkError](process-ForkError.md) val | [WaitpidError](process-WaitpidError.md) val | [WriteError](process-WriteError.md) val | [KillError](process-KillError.md) val | [CapError](process-CapError.md) val | [ChdirError](process-ChdirError.md) val | [UnknownError](process-UnknownError.md) val)

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