`Reflect.get called on non-object` error when using OpenAI library in NextJS

I'm having issues in getting OpenAI library to work in NextJS project on Cloudflare Pages.
I got the following error in workers log stream when calling the API endpoint on NextJS app:

{
  "message": [
    "TypeError: Reflect.get called on non-object"
  ],
  "level": "error",
  "timestamp": 1695279765223
}

{
  "message": [
    "TypeError: Reflect.get called on non-object"
  ],
  "level": "error",
  "timestamp": 1695279765223
}

{
  "message": [
    "TypeError: Reflect.get called on non-object"
  ],
  "level": "error",
  "timestamp": 1695279765223
}

{
  "message": [
    "TypeError: Reflect.get called on non-object"
  ],
  "level": "error",
  "timestamp": 1695279765223
}

Below is the minimal code that reproduce the issue:

import { OpenAI } from "openai";

export async function POST(requestContext: Request) {
  const gptClient = new OpenAI({ apiKey: process.env.OPENAI_API_KEY });

  const requestBody = await requestContext.json();
  const gptRes = await gptClient.chat.completions.create({
    model: "gpt-4",
    messages: [{ role: "system", content: requestBody.systemPrompt }],
  });

  return new Response(JSON.stringify(gptRes), {
    headers: { "Content-Type": "application/json" },
  });
}

/// Route Segment Config
export const runtime = "edge";

import { OpenAI } from "openai";

export async function POST(requestContext: Request) {
  const gptClient = new OpenAI({ apiKey: process.env.OPENAI_API_KEY });

  const requestBody = await requestContext.json();
  const gptRes = await gptClient.chat.completions.create({
    model: "gpt-4",
    messages: [{ role: "system", content: requestBody.systemPrompt }],
  });

  return new Response(JSON.stringify(gptRes), {
    headers: { "Content-Type": "application/json" },
  });
}

/// Route Segment Config
export const runtime = "edge";

import { OpenAI } from "openai";

export async function POST(requestContext: Request) {
  const gptClient = new OpenAI({ apiKey: process.env.OPENAI_API_KEY });

  const requestBody = await requestContext.json();
  const gptRes = await gptClient.chat.completions.create({
    model: "gpt-4",
    messages: [{ role: "system", content: requestBody.systemPrompt }],
  });

  return new Response(JSON.stringify(gptRes), {
    headers: { "Content-Type": "application/json" },
  });
}

/// Route Segment Config
export const runtime = "edge";

import { OpenAI } from "openai";

export async function POST(requestContext: Request) {
  const gptClient = new OpenAI({ apiKey: process.env.OPENAI_API_KEY });

  const requestBody = await requestContext.json();
  const gptRes = await gptClient.chat.completions.create({
    model: "gpt-4",
    messages: [{ role: "system", content: requestBody.systemPrompt }],
  });

  return new Response(JSON.stringify(gptRes), {
    headers: { "Content-Type": "application/json" },
  });
}

/// Route Segment Config
export const runtime = "edge";

I tried searching around on the internet to see if anyone encounter the same issues and possible solution but I couldn't found any. Interestingly, the example from Cloudflare Docs Stream OpenAI API Responses seems to be working when I tried it.

Stream OpenAI API Responses · Cloudflare Workers docs

Documentation for Cloudflare Workers, a serverless execution environment that allows you to create entirely new applications or augment existing ones …

askprateek•10/25/23, 7:45 AM

We are facing the same issue. Can anyone help? @Cloudflare (Server Owner) ?

justjumper•10/27/23, 1:07 AM

Also facing the same issue!

sky_walker•2/3/24, 6:19 AM

James•2/3/24, 9:56 AM

https://github.com/cloudflare/workerd/issues/1513

GitHub

🐛 Bug Report — Runtime APIs: The AsyncContext of AsynLocalStorages ...

If I define a custom thenable and try to access the store of an AsyncLocalStorage in the then method, the store seems to be undefined although it shouldn't be. Basically: import { AsyncLocalSto...

sky_walker•2/13/24, 5:38 PM

I switched to directly calling the OpenAI API instead of using the npm package, and it worked.

`Reflect.get called on non-object` error when using OpenAI library in NextJS

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