Invalid Vercel OIDC token: Cannot read properties of undefined (reading 'replace')

## Error Type
Console Error

## Error Message
Invalid Vercel OIDC token: Cannot read properties of undefined (reading 'replace')

at createSandbox (app/generation/page.tsx:586:15)
at async AISandboxPage.useEffect.initializePage (app/generation/page.tsx:262:11)

## Code Frame
584 | return data;
585 | } else {
> 586 | throw new Error(data.error || 'Unknown error');
| ^
587 | }
588 | } catch (error: any) {
589 | console.error('[createSandbox] Error:', error);

Next.js version: 16.0.1 (Turbopack)