earendil-works/pi · error · Error

Cannot ${description} while session is ${this.phase ?? "unav

Error message

Cannot ${description} while session is ${this.phase ?? "unavailable"}

What it means

Error "Cannot ${description} while session is ${this.phase ?? "unavailable"}" thrown in earendil-works/pi.

Source

Thrown at packages/coding-agent/src/client/remote-session.ts:303

				} catch (cleanupError) {
					throw new AggregateError([error, cleanupError], "Failed to replace remote session attachment");
				}
				throw error;
			}
		}
		await this.#assertNotDisposedAfterAwait(next);
		this.#bind(next, snapshot);
	}

	async #runIdleOperation(
		operation: "setModel" | "setThinking",
		description: string,
		run: () => Promise<void>,
	): Promise<void> {
		this.#assertAvailable();
		this.#requireHandle();
		if (this.phase !== "idle") {
			throw new Error(`Cannot ${description} while session is ${this.phase ?? "unavailable"}`);
		}
		await this.#runOperation(operation, run);
	}

	async #runOperation(operation: RemoteSessionOperation, run: () => Promise<void>, preempt = false): Promise<void> {
		if (preempt) this.#assertNotDisposed();
		else this.#assertAvailable();
		const previous = this.#lifecycle;
		const busy: RemoteSessionLifecycle = { status: "busy", operation };
		this.#lifecycle = busy;
		this.#activeOperationStates.add(busy);
		this.#notify();
		const running = run();
		try {
			await Promise.race([
				running,
				this.#disposeSignal.then(() => {
					throw new Error("Remote session is disposed");

View on GitHub (pinned to 4af9d21d3b)

When it happens

Trigger: Thrown at packages/coding-agent/src/client/remote-session.ts:303 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/7edf5652c6479211. Report an issue: GitHub.