# Errors

All errors thrown or returned by the zkID Wallet follow this interface:

```typescript
export interface RPCErrorInterface {
  code: number;
  message: string;
  meaning?: string;
}
```

You can often use the error code property to determine why the invoke of API failed. Common Error Codes and their meaning include:

* `-32801`
  * **Credential not found** The Credential doesn't exist.
* `-32802`
  * **Credential metadata error** Metadata doesn't match.
* `-32700`
  * **Parse Error** An error occurred on the server while parsing the Credential JSON Text.
* `-32600`
  * **Invalid Request** The JSON sent is not a valid Request object.
* `-32601`
  * **Method not found** The method doesn't exist / is not available.
* `-32602`
  * **Invalid params** Invalid method parameters(s).
* `-32603`
  * **Internal Error** Internal JSON-RPC Error.
* `-32010`
  * **Illegal request** The User hasn't give authorization to the website, so this request is illegal.
* `-32001`
  * **User Reject** The User reject this request.