microsoft/vscode · error · Error

Remote control URL is too long to render as a QR code.

Error message

Remote control URL is too long to render as a QR code.

What it means

Error "Remote control URL is too long to render as a QR code." thrown in microsoft/vscode.

Source

Thrown at extensions/copilot/src/extension/chatSessions/copilotcli/node/copilotcliSession.ts:557

		result.shift();
		result.push(0);
		for (let i = 0; i < degree; i++) {
			result[i] ^= qrGfMultiply(generator[i], factor);
		}
	}
	return result;
}

function appendQrBits(bits: boolean[], value: number, length: number): void {
	for (let i = length - 1; i >= 0; i--) {
		bits.push(((value >>> i) & 1) === 1);
	}
}

function getQrDataCodewords(data: string): number[] {
	const bytes = Array.from(Buffer.from(data, 'utf8'));
	if (bytes.length > 106) {
		throw new Error('Remote control URL is too long to render as a QR code.');
	}

	const bits: boolean[] = [];
	appendQrBits(bits, 0b0100, 4);
	appendQrBits(bits, bytes.length, 8);
	for (const byte of bytes) {
		appendQrBits(bits, byte, 8);
	}

	for (let i = 0; i < 4 && bits.length < qrDataCodewords * 8; i++) {
		bits.push(false);
	}
	while (bits.length % 8 !== 0) {
		bits.push(false);
	}

	const codewords: number[] = [];
	for (let i = 0; i < bits.length; i += 8) {

View on GitHub (pinned to a94b963a32)

When it happens

Trigger: Thrown at extensions/copilot/src/extension/chatSessions/copilotcli/node/copilotcliSession.ts:557 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of microsoft/vscode@a94b963a32 (2026-08-12). Data as JSON: /api/errors/2077657b6ae36a54. Report an issue: GitHub.