> ## Documentation Index
> Fetch the complete documentation index at: https://docs.crossmint.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Eip712VerificationInvalid

> Flutter Final Class

**Final Class**

The proof was rejected. `reason` is a short, non-user-facing label describing which structural check failed.

```dart theme={null}
final class Eip712VerificationInvalid extends Eip712VerificationResult
```

## Constructors

### Eip712VerificationInvalid

```dart theme={null}
const Eip712VerificationInvalid(this.reason)
```

## Properties

### reason

```dart theme={null}
final String reason
```