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

Defined in: [packages/sqlite-wasm/src/Database.ts:732](https://github.com/evoluhq/evolu/blob/bc4578a260dd15d5bbf94b83765ca05984d194cb/packages/sqlite-wasm/src/Database.ts#L732)

The storage of a pool failed outside SQLite, as when [SahPool.unlink](https://evolu.dev/docs/api-reference/sqlite-wasm/interfaces/SahPool#unlink)
deletes a file.

## Extends

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

## Properties

<a id="cause"></a>

### cause

```ts
readonly cause: unknown;
```

Defined in: [packages/sqlite-wasm/src/Database.ts:738](https://github.com/evoluhq/evolu/blob/bc4578a260dd15d5bbf94b83765ca05984d194cb/packages/sqlite-wasm/src/Database.ts#L738)

What the storage threw, such as a `DOMException`, or a
[SqliteShortWriteError](https://evolu.dev/docs/api-reference/sqlite-wasm/interfaces/SqliteShortWriteError) for a write that stored a different number of
bytes.

---

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

### type

```ts
readonly type: "SqliteVfsIoError";
```

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)