> ## 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.

# CrossmintUsersException

> Flutter Final Class

**Final Class**

Thrown by user-profile operations — user lookup failures, profile update errors.

```dart theme={null}
final class CrossmintUsersException extends CrossmintException
```

## Constructors

### CrossmintUsersException

```dart theme={null}
const CrossmintUsersException(
  super.message, {
  super.code = CrossmintErrorCode.unknown,
  super.cause,
})
```

Creates a users exception.