---
url: >-
  https://adk.nht.io/api/@nhtio/adk/batteries/llm/anthropic_messages/exceptions/variables/E_ANTHROPIC_MESSAGES_STREAM_STALLED.md
description: >-
  Thrown when the Messages stream goes silent for longer than
  `streamIdleTimeoutMs`.
---

# Variable: E\_ANTHROPIC\_MESSAGES\_STREAM\_STALLED

```ts
const E_ANTHROPIC_MESSAGES_STREAM_STALLED: CreatedException<[number]>;
```

Defined in: [src/batteries/llm/anthropic\_messages/exceptions.ts:69](https://github.com/NHTIO/ADK/blob/v1.20260726.0/src/src/batteries/llm/anthropic_messages/exceptions.ts#L69)

Thrown when the Messages stream goes silent for longer than `streamIdleTimeoutMs`.