InferenceUpstreamError: ERROR 3001: Unknown internal error

import { Ai } from "@cloudflare/ai";

export interface Env {
    AI: any;
}

export default {
    async fetch(request: Request, env: Env) {
        try {
            if (request.method !== "POST") {
                console.error("Non-POST request received");
                return new Response("Expected a POST request with audio data", { status: 400 });
            }

            const audioData = await request.arrayBuffer();
            if (!audioData) {
                console.error("No audio data found in request");
                return new Response("No audio data found in request", { status: 400 });
            }

            console.log(

);

            const ai = new Ai(env.AI);
            const input = {
                audio: [...new Uint8Array(audioData)],
            };

            console.log("Sending audio data to AI model for processing");

            const response = await ai.run("@cf/openai/whisper", input);

            console.log("AI model processing completed");

            return new Response(JSON.stringify({ transcript: response }), {
                headers: { 'Content-Type': 'application/json' },
            });
        } catch (error) {
            console.error("Error occurred in the worker:", error);

            // Additional logging for debugging
            if (error instanceof Error) {
                console.log("Error details:", error.message, error.name, error.stack);
            } else {
                console.log("Non-standard error object received");
            }

            return new Response(

, { status: 500 });
        }
    }
}