[API reference](https://evolu.dev/docs/api-reference) › [@evolu/common](https://evolu.dev/docs/api-reference/common) › [local‑first/Storage](https://evolu.dev/docs/api-reference/common/local-first/Storage) › ValidDbChangeValuesError

Defined in: [packages/common/src/local-first/Storage.ts:319](https://github.com/evoluhq/evolu/blob/75385100f77e1eb8e9ccd51ed900cf77452d4c09/packages/common/src/local-first/Storage.ts#L319)

A plain structured error produced by a [Type](https://evolu.dev/docs/api-reference/common/Type/interfaces/Type) operation.

It is a domain value discriminated by `type`, not an instance of JavaScript's
global `TypeError`.

Each distinct error meaning and shape should use a unique `type`. Reuse a tag
only when it intentionally represents the same error contract. Accidental
reuse prevents reliable discriminated-union narrowing.

## Extends

- [`TypeError`](https://evolu.dev/docs/api-reference/common/Type/interfaces/TypeError)\<`"ValidDbChangeValues"`\>

## Properties

<a id="invalidcolumns"></a>

### invalidColumns

```ts
readonly invalidColumns: readonly string[];
```

Defined in: [packages/common/src/local-first/Storage.ts:321](https://github.com/evoluhq/evolu/blob/75385100f77e1eb8e9ccd51ed900cf77452d4c09/packages/common/src/local-first/Storage.ts#L321)

---

<a id="type"></a>

### type

```ts
readonly type: "ValidDbChangeValues";
```

Defined in: [packages/common/src/Type.ts:641](https://github.com/evoluhq/evolu/blob/75385100f77e1eb8e9ccd51ed900cf77452d4c09/packages/common/src/Type.ts#L641)

#### Inherited from

[`TypeError`](https://evolu.dev/docs/api-reference/common/Type/interfaces/TypeError).[`type`](https://evolu.dev/docs/api-reference/common/Type/interfaces/TypeError#type)

---

<a id="value"></a>

### value

```ts
readonly value: DbChangeValues;
```

Defined in: [packages/common/src/local-first/Storage.ts:320](https://github.com/evoluhq/evolu/blob/75385100f77e1eb8e9ccd51ed900cf77452d4c09/packages/common/src/local-first/Storage.ts#L320)