Solving Neon JS SDK Error

import { Hono } from "hono";
import { createClient } from '@neondatabase/neon-js';

const app = new Hono();
const client = createClient({
  auth: {
    url: Deno.env.get("NEON_AUTH_URL"),
  },
  dataApi: {
    url: Deno.env.get("NEON_DATA_API_URL"),
  },
});

app.post('/', async (c) => {
    const { username } = await c.req.json();
    if (!username) return c.json({
      error: "Invalid Input", message: "The request body is missing the required field."}, 400);

    const result = await client.auth.signUp.email({
    email: '[email protected]',
    password: 'password123',
    name: username,
    })
    if (result.error) {
    console.error('Sign up error:', result.error.message)
    } else {
    console.log('User created:', result.data.user)
    }
    
    return c.json(result.data);
  });

Deno.serve(app.fetch);