hey guys help me handle this prisma error in typescript

    if (error instanceof Prisma.PrismaClientUnknownRequestError) {
      if (error.code === 'P2002') { // 'error' is of type 'unknown'
        res.status(400).json({ message: 'Username already exists' });
      }
    } else {
      res.status(500).json({ message: 'Internal server error' });
    }

    if (error instanceof Prisma.PrismaClientUnknownRequestError) {
      if (error.code === 'P2002') { // 'error' is of type 'unknown'
        res.status(400).json({ message: 'Username already exists' });
      }
    } else {
      res.status(500).json({ message: 'Internal server error' });
    }