Unable to create a Worker with API

Uncaught SyntaxError: Unexpected token ':'\n  at worker.js:2:12\n.

import { NextResponse } from "next/server";
import Cloudflare from "cloudflare";

export async function PUT(req: Request) {
  const { user } = await req.json();

  const client = new Cloudflare({
    apiToken: process.env.CLOUDFLARE_ACCOUNT_TOKEN!,
  });

  try {
    await client.workers.scripts.update(`${user.id}-builddrr-prod`, {
      account_id: process.env.CLOUDFLARE_ACCOUNT_ID!,
      metadata: {},
    });

    return NextResponse.json({ message: "Script updated" }, { status: 200 });
  } catch (error) {
    return NextResponse.json(
      { error: "Failed to update script", details: error },
      { status: 500 }
    );
  }
}