# ValidationIssue

# Interface: ValidationIssue

Defined in: [validation.public.ts:355](https://github.com/TanStack/form/blob/main/packages/form-core/src/validation.public.ts#L355)

A single validation error with a unique identifier.

## Properties

### message

```ts
message: string;
```

Defined in: [validation.public.ts:356](https://github.com/TanStack/form/blob/main/packages/form-core/src/validation.public.ts#L356)