[API reference](https://evolu.dev/docs/api-reference) › [@evolu/common](https://evolu.dev/docs/api-reference/common) › [Task](https://evolu.dev/docs/api-reference/common/Task) › semaphoreDisposedError

```ts
const semaphoreDisposedError: SemaphoreDisposedError;
```

Defined in: [packages/common/src/Task.ts:2585](https://github.com/evoluhq/evolu/blob/e7144e2bbe9069362b62dec1b64a8aa922b8f1b0/packages/common/src/Task.ts#L2585)

[SemaphoreDisposedError](https://evolu.dev/docs/api-reference/common/Task/variables/SemaphoreDisposedError-1) used as abort reason in [createSemaphore](https://evolu.dev/docs/api-reference/common/Task/functions/createSemaphore).