earendil-works/pi · error

output.errorMessage || "Provider returned an error stop reas

Error message

output.errorMessage || "Provider returned an error stop reason"

What it means

Error "output.errorMessage || "Provider returned an error stop reason"" thrown in earendil-works/pi.

Source

Thrown at packages/ai/src/api/openai-completions.ts:649

					}
				}
			}

			for (const block of blocks) {
				finishBlock(block);
			}
			if (options?.signal?.aborted) {
				throw new Error("Request was aborted");
			}

			if (output.stopReason === "aborted") {
				throw new Error("Request was aborted");
			}
			if (!hasFinishReason && !compat.supportsFinishReason) {
				output.stopReason = output.content.some((block) => block.type === "toolCall") ? "toolUse" : "stop";
			}
			if (output.stopReason === "error") {
				throw new Error(output.errorMessage || "Provider returned an error stop reason");
			}
			if ((compat.supportsFinishReason && !hasFinishReason) || output.stopReason === "pending") {
				throw new Error("Stream ended without finish_reason");
			}

			stream.push({ type: "done", reason: output.stopReason, message: output });
			stream.end();
		} catch (error) {
			for (const block of output.content) {
				delete (block as { index?: number }).index;
				// Streaming scratch buffers are only used during parsing; never persist them.
				delete (block as { partialArgs?: string }).partialArgs;
				delete (block as { customInput?: unknown }).customInput;
				delete (block as { streamIndex?: number }).streamIndex;
			}
			output.stopReason = options?.signal?.aborted ? "aborted" : "error";
			output.errorMessage = formatProviderError(normalizeProviderError(error));
			// Some providers via OpenRouter give additional information in this field.

View on GitHub (pinned to 4af9d21d3b)

Solutions

1. Inspect output.errorMessage for the provider error detail.

When it happens

Trigger: Thrown at packages/ai/src/api/openai-completions.ts:649 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/03b108d38d3f6c1d. Report an issue: GitHub.