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# UnexpectedResponseError

- Package: [@gooddata/sdk-backend-spi](https://www.gooddata.ai/docs/gooddata-ui/latest/api-reference/sdk-backend-spi/index.md)
- Kind: class
- Source: https://github.com/gooddata/gooddata-ui-sdk/blob/rel/11.64/libs/sdk-backend-spi/src/errors/index.ts

This exception MUST be thrown when communication with the backend encounters an unexpected response status code and it cannot handle or categorize it to a known, domain-specific error.

**Signature:**

```typescript
export declare class UnexpectedResponseError extends AnalyticalBackendError 
```
**Extends:** [AnalyticalBackendError](https://www.gooddata.ai/docs/gooddata-ui/latest/api-reference/sdk-backend-spi/sdk-backend-spi.analyticalbackenderror/index.md)

## Properties

| Property | Modifiers | Type | Description |
| --- | --- | --- | --- |
| [httpStatus](https://www.gooddata.ai/docs/gooddata-ui/latest/api-reference/sdk-backend-spi/sdk-backend-spi.unexpectedresponseerror/index.md#unexpectedresponseerrorhttpstatus) | `readonly` | number |  |
| [responseBody](https://www.gooddata.ai/docs/gooddata-ui/latest/api-reference/sdk-backend-spi/sdk-backend-spi.unexpectedresponseerror/index.md#unexpectedresponseerrorresponsebody) | `readonly` | unknown |  |
| [traceId](https://www.gooddata.ai/docs/gooddata-ui/latest/api-reference/sdk-backend-spi/sdk-backend-spi.unexpectedresponseerror/index.md#unexpectedresponseerrortraceid) | `readonly` | string \| undefined |  |

## Property details

### UnexpectedResponseError.httpStatus

**Signature:**

```typescript
readonly httpStatus: number;
```

### UnexpectedResponseError.responseBody

**Signature:**

```typescript
readonly responseBody: unknown;
```

### UnexpectedResponseError.traceId

**Signature:**

```typescript
readonly traceId: string | undefined;
```