earendil-works/pi · error

API cannot cancel deferred responses

Error message

API cannot cancel deferred responses

What it means

Error "API cannot cancel deferred responses" thrown in earendil-works/pi.

Source

Thrown at packages/ai/src/api/lazy.ts:92

	const api: ProviderStreams = {
		stream: (model, context, options) =>
			lazyStream(model, async () => (await load()).stream(model, context, options)),
		streamSimple: (model, context, options) =>
			lazyStream(model, async () => (await load()).streamSimple(model, context, options)),
	};

	if (capabilities?.fetchDeferred) {
		api.fetchDeferred = (model, handle, options) =>
			lazyStream(model, async () => {
				const implementation = await load();
				if (!implementation.fetchDeferred) throw new Error("API does not support deferred responses");
				return implementation.fetchDeferred(model, handle, options);
			});
	}
	if (capabilities?.cancelDeferred) {
		api.cancelDeferred = async (model, handle, options) => {
			const implementation = await load();
			if (!implementation.cancelDeferred) throw new Error("API cannot cancel deferred responses");
			await implementation.cancelDeferred(model, handle, options);
		};
	}

	return api;
}

View on GitHub (pinned to 4af9d21d3b)

Solutions

1. Do not cancel deferred responses through this API; let them complete or discard the handle.

When it happens

Trigger: Thrown at packages/ai/src/api/lazy.ts:92 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of earendil-works/pi@4af9d21d3b (2026-08-24). Data as JSON: /api/errors/777abaf4fc6c5bbf. Report an issue: GitHub.