> ## Documentation Index
> Fetch the complete documentation index at: https://docs.crossmint.com/llms.txt
> Use this file to discover all available pages before exploring further.

# KeyExportError

<Note>
  **This page has been updated for Wallets SDK V1.** If you are using the previous version,
  see the [previous version docs](/wallets/v0/overview) or the [V1 migration guide](/wallets/guides/migrate-to-v1).
</Note>

Defined in: [packages/wallets/src/signers/types.ts:60](https://github.com/Crossmint/crossmint-sdk/blob/main/packages/wallets/src/signers/types.ts#L60)

## Extends

* `Error`

## Constructors

### new KeyExportError()

> **new KeyExportError**(`message`, `code`?): `KeyExportError`

Defined in: [packages/wallets/src/signers/types.ts:63](https://github.com/Crossmint/crossmint-sdk/blob/main/packages/wallets/src/signers/types.ts#L63)

#### Parameters

| Parameter | Type     |
| --------- | -------- |
| `message` | `string` |
| `code`?   | `string` |

#### Returns

`KeyExportError`

#### Overrides

`Error.constructor`

## Properties

| Property                                          | Modifier   | Type                                                    | Description                                                                                                                                                                        | Inherited from            | Defined in                                                                                                                                 |
| ------------------------------------------------- | ---------- | ------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------ |
| <a id="code" /> `code`                            | `readonly` | `string` \| `undefined`                                 | -                                                                                                                                                                                  | -                         | [packages/wallets/src/signers/types.ts:61](https://github.com/Crossmint/crossmint-sdk/blob/main/packages/wallets/src/signers/types.ts#L61) |
| <a id="message" /> `message`                      | `public`   | `string`                                                | -                                                                                                                                                                                  | `Error.message`           | node\_modules/.pnpm/typescript\@5.5.3/node\_modules/typescript/lib/lib.es5.d.ts:1077                                                       |
| <a id="name" /> `name`                            | `public`   | `string`                                                | -                                                                                                                                                                                  | `Error.name`              | node\_modules/.pnpm/typescript\@5.5.3/node\_modules/typescript/lib/lib.es5.d.ts:1076                                                       |
| <a id="stack" /> `stack?`                         | `public`   | `string`                                                | -                                                                                                                                                                                  | `Error.stack`             | node\_modules/.pnpm/typescript\@5.5.3/node\_modules/typescript/lib/lib.es5.d.ts:1078                                                       |
| <a id="preparestacktrace" /> `prepareStackTrace?` | `static`   | (`err`: `Error`, `stackTraces`: `CallSite`\[]) => `any` | Optional override for formatting stack traces **See** [https://v8.dev/docs/stack-trace-api#customizing-stack-traces](https://v8.dev/docs/stack-trace-api#customizing-stack-traces) | `Error.prepareStackTrace` | node\_modules/.pnpm/@types+node\@20.14.8/node\_modules/@types/node/globals.d.ts:28                                                         |
| <a id="stacktracelimit" /> `stackTraceLimit`      | `static`   | `number`                                                | -                                                                                                                                                                                  | `Error.stackTraceLimit`   | node\_modules/.pnpm/@types+node\@20.14.8/node\_modules/@types/node/globals.d.ts:30                                                         |

## Methods

### captureStackTrace()

> `static` **captureStackTrace**(`targetObject`, `constructorOpt`?): `void`

Defined in: node\_modules/.pnpm/@types+node\@20.14.8/node\_modules/@types/node/globals.d.ts:21

Create .stack property on a target object

#### Parameters

| Parameter         | Type       |
| ----------------- | ---------- |
| `targetObject`    | `object`   |
| `constructorOpt`? | `Function` |

#### Returns

`void`

#### Inherited from

`Error.captureStackTrace`