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

Defined in: [packages/common/src/local-first/Protocol.ts:473](https://github.com/evoluhq/evolu/blob/037c390af081e9944d616ff298a729515c5c5ab7/packages/common/src/local-first/Protocol.ts#L473)

Error when embedded timestamp doesn't match expected timestamp in
EncryptedDbChange. Indicates potential tampering or corruption of CRDT
messages.

## Extends

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

## Properties

<a id="expected"></a>

### expected

```ts
readonly expected: Timestamp;
```

Defined in: [packages/common/src/local-first/Protocol.ts:474](https://github.com/evoluhq/evolu/blob/037c390af081e9944d616ff298a729515c5c5ab7/packages/common/src/local-first/Protocol.ts#L474)

---

<a id="timestamp"></a>

### timestamp

```ts
readonly timestamp: Timestamp;
```

Defined in: [packages/common/src/local-first/Protocol.ts:475](https://github.com/evoluhq/evolu/blob/037c390af081e9944d616ff298a729515c5c5ab7/packages/common/src/local-first/Protocol.ts#L475)

---

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

### type

```ts
readonly type: "ProtocolTimestampMismatchError";
```

Defined in: [packages/common/src/Type.ts:11986](https://github.com/evoluhq/evolu/blob/037c390af081e9944d616ff298a729515c5c5ab7/packages/common/src/Type.ts#L11986)

#### 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)