[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:505](https://github.com/evoluhq/evolu/blob/f082fdd974e25fa0eb1134e4b34f15b740af8fe2/packages/common/src/local-first/Protocol.ts#L505)

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:506](https://github.com/evoluhq/evolu/blob/f082fdd974e25fa0eb1134e4b34f15b740af8fe2/packages/common/src/local-first/Protocol.ts#L506)

---

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

### timestamp

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

Defined in: [packages/common/src/local-first/Protocol.ts:507](https://github.com/evoluhq/evolu/blob/f082fdd974e25fa0eb1134e4b34f15b740af8fe2/packages/common/src/local-first/Protocol.ts#L507)

---

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

### type

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

Defined in: [packages/common/src/Type.ts:15402](https://github.com/evoluhq/evolu/blob/f082fdd974e25fa0eb1134e4b34f15b740af8fe2/packages/common/src/Type.ts#L15402)

#### 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)