The client sets the price, role, or plan in Next.js

criticalUpdated Oct 12, 2026

Assign fields explicitly:

Fix for Next.js

Assign fields explicitly:

await db.user.update({
  where: { id: user.id },
  data: { name: form.name },
});

Do not data: await request.json().

The five-minute check, the other platforms, and the agent prompt are on the full guide. More Next.js fixes are on the Next.js page.