# `Tempo.ClockError`
[🔗](https://github.com/elixir-tempo/tempo/blob/v2.1.0/lib/tempo/exception/clock_error.ex#L1)

A clock that cannot tell the time.

* `:clock` is the clock asked.

* `:reason` is `:not_pinned` for `Tempo.Clock.Test` asked the time, or
  moved, in a process that has pinned none.

# `t`

```elixir
@type t() :: %Tempo.ClockError{
  __exception__: term(),
  clock: module(),
  reason: :not_pinned
}
```

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*Consult [api-reference.md](api-reference.md) for complete listing*