[API reference](https://evolu.dev/docs/api-reference) › [@evolu/sqlite-wasm](https://evolu.dev/docs/api-reference/sqlite-wasm) › SahPoolAlreadyOpenError

Defined in: [packages/sqlite-wasm/src/SahPool.ts:1106](https://github.com/evoluhq/evolu/blob/bc4578a260dd15d5bbf94b83765ca05984d194cb/packages/sqlite-wasm/src/SahPool.ts#L1106)

This instance has a pool in the directory open, or is opening one. A retry
succeeds once that pool is disposed or its open failed.

## Extends

- [`Typed`](https://evolu.dev/docs/api-reference/common/Type/interfaces/Typed)\<`"SahPoolAlreadyOpenError"`\>

## Properties

<a id="directory"></a>

### directory

```ts
readonly directory: readonly [string & Brand<"OpfsName">, string & Brand<"OpfsName">];
```

Defined in: [packages/sqlite-wasm/src/SahPool.ts:1108](https://github.com/evoluhq/evolu/blob/bc4578a260dd15d5bbf94b83765ca05984d194cb/packages/sqlite-wasm/src/SahPool.ts#L1108)

The [SahPoolOptions.directory](https://evolu.dev/docs/api-reference/sqlite-wasm/interfaces/SahPoolOptions#directory).

---

<a id="type"></a>

### type

```ts
readonly type: "SahPoolAlreadyOpenError";
```

Defined in: packages/common/dist/src/Type.d.ts:9304

#### Inherited from

[`Typed`](https://evolu.dev/docs/api-reference/common/Type/interfaces/Typed).[`type`](https://evolu.dev/docs/api-reference/common/Type/interfaces/Typed#type)