---
url: >-
  https://adk.nht.io/api/@nhtio/adk/batteries/llm/anthropic_messages/exceptions/variables/E_ANTHROPIC_MESSAGES_STREAM_ERROR.md
description: >-
  Thrown when a streaming Messages request emits a provider or transport failure
  mid-stream.
---

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

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

Defined in: [src/batteries/llm/anthropic\_messages/exceptions.ts:58](https://github.com/NHTIO/ADK/blob/v1.20260726.0/src/src/batteries/llm/anthropic_messages/exceptions.ts#L58)

Thrown when a streaming Messages request emits a provider or transport failure mid-stream.