# SubagentErrorEvent

Defined in: [packages/ai/src/types.ts:1763](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L1763)

A child agent failed. The parent run can continue.

@ag-ui/core provides: `subagentRunId`, `message`, `code?`

## Extends

- `SubagentErrorEvent`