# `Tempo.RoundingError`
[🔗](https://github.com/kipcole9/tempo/blob/v0.5.0/lib/tempo/exception/rounding_error.ex#L1)

Exception raised when a rounding operation cannot be performed
— typically because the target unit is not reachable from the
value's current resolution under the active calendar.

# `t`

```elixir
@type t() :: %Tempo.RoundingError{
  __exception__: true,
  reason: atom() | String.t() | nil,
  unit: atom() | nil,
  value: Tempo.t() | nil
}
```

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