---
title: error
framework: createml
role: symbol
role_heading: Instance Property
path: createml/mlwordtaggermetrics/error
---

# error

The underlying error present when the metrics are invalid.

## Declaration

```swift
var error: (any Error)? { get }
```

## See Also

### Handling errors

- [isValid](createml/mlwordtaggermetrics/isvalid.md)