> ## Documentation Index
> Fetch the complete documentation index at: https://crossmint-devin-1787949784-wallet-docs-two-concept-model.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# SignatureError

> Swift Enumeration

**Enumeration**

```swift theme={null}
enum SignatureError
```

## Enumeration Cases

| Case                              | Description |
| --------------------------------- | ----------- |
| `approvalFailed`                  | -           |
| `creationFailed`                  | -           |
| `decodingError`                   | -           |
| `networkError`                    | -           |
| `serviceError(_:)`                | -           |
| `signingFailed(underlyingError:)` | -           |
| `unknown`                         | -           |
| `userCancelled`                   | -           |

## Instance Properties

| Property          | Type           | Description                                      |
| ----------------- | -------------- | ------------------------------------------------ |
| `code`            | `String`       | Inherited from `CrossmintError.code`.            |
| `message`         | `String`       | Inherited from `CrossmintError.message`.         |
| `underlyingError` | `(any Error)?` | Inherited from `CrossmintError.underlyingError`. |