---
url: >-
  https://adk.nht.io/api/@nhtio/adk/batteries/vector/exceptions/variables/E_VECTOR_STORE_DRIVER_UNAVAILABLE.md
description: >-
  Thrown when the vector store driver is unavailable. Fatal: driver failures are
  critical.
---

# Variable: E\_VECTOR\_STORE\_DRIVER\_UNAVAILABLE

```ts
const E_VECTOR_STORE_DRIVER_UNAVAILABLE: CreatedException<[string]>;
```

Defined in: [batteries/vector/exceptions.ts:30](https://github.com/NHTIO/ADK/blob/v1.20260607.0/src/batteries/vector/exceptions.ts#L30)

Thrown when the vector store driver is unavailable.
Fatal: driver failures are critical.