earendil-works/pi · error · CborError

CBOR map length exceeds configured limit of ${options.maxCon

Error message

CBOR map length exceeds configured limit of ${options.maxContainerLength}

What it means

Error "CBOR map length exceeds configured limit of ${options.maxContainerLength}" thrown in earendil-works/pi.

Source

Thrown at packages/protocol/src/cbor/encoder.ts:192

		} finally {
			ancestors.delete(value);
		}
		return;
	}
	if (isPlainObject(value)) {
		if (ancestors.has(value)) throw new CborError("CBOR values must not contain cycles");
		for (const symbol of Object.getOwnPropertySymbols(value)) {
			if (Object.prototype.propertyIsEnumerable.call(value, symbol)) {
				throw new CborError("CBOR map keys must be strings");
			}
		}
		const entries: Array<readonly [string, unknown]> = [];
		for (const key of Object.keys(value)) {
			const entryValue = value[key];
			if (entryValue !== undefined) entries.push([key, entryValue]);
		}
		if (entries.length > options.maxContainerLength) {
			throw new CborError(`CBOR map length exceeds configured limit of ${options.maxContainerLength}`);
		}
		ancestors.add(value);
		try {
			writeArgument(writer, 5, entries.length);
			for (const [key, entryValue] of entries) {
				encodeText(writer, key, options);
				encodeValue(writer, entryValue, options, depth + 1, ancestors);
			}
		} finally {
			ancestors.delete(value);
		}
		return;
	}

	throw new CborError(`Unsupported CBOR value type: ${typeof value}`);
}

/** Encodes the protocol's strict, definite-length RFC 8949 subset. */

View on GitHub (pinned to 4af9d21d3b)

Solutions

1. Reduce the map size or raise options.maxContainerLength.

When it happens

Trigger: Thrown at packages/protocol/src/cbor/encoder.ts:192 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/ed1bba7518a72b70. Report an issue: GitHub.