---
sidebar_label: ProtocolError
---

# ProtocolError class

ProtocolError is emitted whenever there is an error from the protocol.

#### Signature:

```typescript
export declare class ProtocolError extends CustomError
```

**Extends:** [CustomError](./puppeteer.customerror.md)

## Properties

| Property                                                        | Modifiers             | Type                | Description |
| --------------------------------------------------------------- | --------------------- | ------------------- | ----------- |
| [code](./puppeteer.protocolerror.code.md)                       | <code>readonly</code> | number \| undefined |             |
| [originalMessage](./puppeteer.protocolerror.originalmessage.md) | <code>readonly</code> | string              |             |