n8n-io/n8n · error

Sandbox npm install failed: ${npmResult.stderr}

Error message

Sandbox npm install failed: ${npmResult.stderr}

What it means

Error "Sandbox npm install failed: ${npmResult.stderr}" thrown in n8n-io/n8n.

Source

Thrown at packages/@n8n/instance-ai/src/workspace/sandbox-setup.ts:490

			}
		}
	} catch {
		// Workflow listing failed — continue without syncing
	}

	// ── Write workspace files ──────────────────────────────────────────────

	await setupStep(
		'write-workspace-files',
		async () => await writeWorkspaceFiles(workspace, root, files),
	);
	await materializeKnowledgeBaseStep(workspace, root, context);

	// npm install (must run after package.json is in place)
	await setupStep('install-dependencies', async () => {
		const npmResult = await runInSandbox(workspace, 'npm install --ignore-scripts', root);
		if (npmResult.exitCode !== 0) {
			throw new Error(`Sandbox npm install failed: ${npmResult.stderr}`);
		}
	});

	await setupStep(
		'link-workspace-sdk',
		async () => await linkWorkspaceSdkIfEnabled(workspace, root, context.logger),
	);

	await setupStep(
		'write-initialization-marker',
		async () =>
			await writeWorkspaceFiles(
				workspace,
				root,
				new Map([['.sandbox-initialized', new Date().toISOString()]]),
			),
	);

View on GitHub (pinned to 5ac6606e81)

When it happens

Trigger: Thrown at packages/@n8n/instance-ai/src/workspace/sandbox-setup.ts:490 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of n8n-io/n8n@5ac6606e81 (2026-08-12). Data as JSON: /api/errors/76f52ef7e8487a29. Report an issue: GitHub.