# Error

Now we use error message and error code show the error, zkApp can show the error to user.

```typescript
/** error info type */
interface ProviderError extends Error {
    message: string;
    code: number;
    data?: unknown;
}
```

## Error code information

if return failed info , zkApp can get error code.

```typescript
* code 1001  User disconnect, need connect first.
* code 1002  The request was rejected by the user.
* code 20001 Can not find account, may need create or restore in Auro Wallet first.
* code 20002 Verify failed.
* code 20003 The parameters were invalid.
* code 20004 Not support chain.
* code 20005 Have Pending chain action.
* code 20006 Method not supported.
* code 21001 Internal error.
* code 22001 Unspecified error message.
* code 23001 Origin dismatch.
```


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.aurowallet.com/general/reference/api-reference/error.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.