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

Defined in: [packages/common/src/local-first/Db.ts:190](https://github.com/evoluhq/evolu/blob/ecbac001e0c18bbc45b44715f49ecc3a768c5ec9/packages/common/src/local-first/Db.ts#L190)

The stored database version is newer than this code supports. Newer code
created or migrated the database, which is left unchanged. This happens when
a tab running a newer deployment migrated the database while this tab still
runs older code, or when the app was downgraded after a newer version
migrated the local data. Update the app to a version that supports
`storedVersion` and close all its tabs.

## Extends

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

## Properties

<a id="storedversion"></a>

### storedVersion

```ts
readonly storedVersion: number & Brand<"NonNaN"> & Brand<"Finite"> & Brand<"Int"> & Brand<"NonNegative"> & Brand<"Positive">;
```

Defined in: [packages/common/src/local-first/Db.ts:191](https://github.com/evoluhq/evolu/blob/ecbac001e0c18bbc45b44715f49ecc3a768c5ec9/packages/common/src/local-first/Db.ts#L191)

---

<a id="supportedversion"></a>

### supportedVersion

```ts
readonly supportedVersion: number & Brand<"NonNaN"> & Brand<"Finite"> & Brand<"Int"> & Brand<"NonNegative"> & Brand<"Positive">;
```

Defined in: [packages/common/src/local-first/Db.ts:192](https://github.com/evoluhq/evolu/blob/ecbac001e0c18bbc45b44715f49ecc3a768c5ec9/packages/common/src/local-first/Db.ts#L192)

---

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

### type

```ts
readonly type: "UnsupportedDbVersionError";
```

Defined in: [packages/common/src/Type.ts:14201](https://github.com/evoluhq/evolu/blob/ecbac001e0c18bbc45b44715f49ecc3a768c5ec9/packages/common/src/Type.ts#L14201)

#### Inherited from

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