API error! Please Help! It showed a 400 error but now it doesn't show me anything

Please help, it showed a 400 bad request error but now it doesn’t show anything and it won’t run. Please help me.

const chatInput = document.querySelector(“#chat-input”);
const sendButton = document.querySelector(“#send-btn”);
const chatContainer = document.querySelector(“.chat-container”);
const themeButton = document.querySelector(“#theme-btn”);
const deleteButton = document.querySelector(“#delete-btn”);

let userText = null;
const API_KEY = “■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■LSJu4mU4”; // Paste your API key here

const loadDataFromLocalstorage = () => {
// Load saved chats and theme from local storage and apply/add on the page
const themeColor = localStorage.getItem(“themeColor”);

document.body.classList.toggle("light-mode", themeColor === "light_mode");
themeButton.innerText = document.body.classList.contains("light-mode") ? "dark_mode" : "light_mode";

const defaultText = `<div class="default-text">
                        <h1>ChatGPT Clone</h1>
                        <p>Start a conversation and explore the power of AI.<br> Your chat history will be displayed here.</p>
                    </div>`

chatContainer.innerHTML = localStorage.getItem("all-chats") || defaultText;
chatContainer.scrollTo(0, chatContainer.scrollHeight); // Scroll to bottom of the chat container

}

const createChatElement = (content, className) => {
// Create new div and apply chat, specified class and set html content of div
const chatDiv = document.createElement(“div”);
chatDiv.classList.add(“chat”, className);
chatDiv.innerHTML = content;
return chatDiv; // Return the created chat div
}

const getChatResponse = async (incomingChatDiv) => {
const API_URL = “https://api.openai.com/v1/chat/completions”;

const pElement = document.createElement("p");

// Define the properties and data for the API request
const requestOptions = {
    method: "POST",
    headers: {
        "Content-Type": 'application/json',
        "Organization": `org-W25VMl5nzkt1NE01t261ZYCK`,
        "Authorization": `Bearer ${API_KEY}`
    },
    body: JSON.stringify({
        max_tokens: 2200,
        model: "gpt-3.5-turbo",
        messages: [{role: "system", content: `You are a AI chatbot named Jimmy.Answer the user requests and questions.`},{role: "user", content: "hi"}],
        temperature: 0,
        n: 1,
        stop: null
    })
}

try {
    const response = await (await fetch(API_URL, requestOptions)).json();
    pElement.textContent = response.choices[0].text.trim();
} catch (error) { // Add error class to the paragraph element and set error text
    pElement.classList.add("error");
    pElement.textContent = "Oops! Something went wrong while retrieving the response. Please try again.";
}

// Remove the typing animation, append the paragraph element and save the chats to local storage
incomingChatDiv.querySelector(".typing-animation").remove();
incomingChatDiv.querySelector(".chat-details").appendChild(pElement);
localStorage.setItem("all-chats", chatContainer.innerHTML);
chatContainer.scrollTo(0, chatContainer.scrollHeight);

}

const copyResponse = (copyBtn) => {
// Copy the text content of the response to the clipboard
const reponseTextElement = copyBtn.parentElement.querySelector(“p”);
navigator.clipboard.writeText(reponseTextElement.textContent);
copyBtn.textContent = “done”;
setTimeout(() => copyBtn.textContent = “content_copy”, 1000);
}

const showTypingAnimation = () => {
// Display the typing animation and call the getChatResponse function
const html = <div class="chat-content"> <div class="chat-details"> <img src="bot_1.jpg" alt="chatbot-img"> <div class="typing-animation"> <div class="typing-dot" style="--delay: 0.2s"></div> <div class="typing-dot" style="--delay: 0.3s"></div> <div class="typing-dot" style="--delay: 0.4s"></div> </div> </div> <span onclick="copyResponse(this)" class="material-symbols-rounded">content_copy</span> </div>;
// Create an incoming chat div with typing animation and append it to chat container
const incomingChatDiv = createChatElement(html, “incoming”);
chatContainer.appendChild(incomingChatDiv);
chatContainer.scrollTo(0, chatContainer.scrollHeight);
getChatResponse(incomingChatDiv);
}

const handleOutgoingChat = () => {
userText = chatInput.value.trim(); // Get chatInput value and remove extra spaces
if(!userText) return; // If chatInput is empty return from here

// Clear the input field and reset its height
chatInput.value = "";
chatInput.style.height = `${initialInputHeight}px`;

const html = `<div class="chat-content">
                <div class="chat-details">
                    <img src="LOGO.jpg" alt="user-img">
                    <p>${userText}</p>
                </div>
            </div>`;

// Create an outgoing chat div with user's message and append it to chat container
const outgoingChatDiv = createChatElement(html, "outgoing");
chatContainer.querySelector(".default-text")?.remove();
chatContainer.appendChild(outgoingChatDiv);
chatContainer.scrollTo(0, chatContainer.scrollHeight);
setTimeout(showTypingAnimation, 500);

}

deleteButton.addEventListener(“click”, () => {
// Remove the chats from local storage and call loadDataFromLocalstorage function
if(confirm(“Are you sure you want to delete all the chats?”)) {
localStorage.removeItem(“all-chats”);
loadDataFromLocalstorage();
}
});

themeButton.addEventListener(“click”, () => {
// Toggle body’s class for the theme mode and save the updated theme to the local storage
document.body.classList.toggle(“light-mode”);
localStorage.setItem(“themeColor”, themeButton.innerText);
themeButton.innerText = document.body.classList.contains(“light-mode”) ? “dark_mode” : “light_mode”;
});

const initialInputHeight = chatInput.scrollHeight;

chatInput.addEventListener(“input”, () => {
// Adjust the height of the input field dynamically based on its content
chatInput.style.height = ${initialInputHeight}px;
chatInput.style.height = ${chatInput.scrollHeight}px;
});

chatInput.addEventListener(“keydown”, (e) => {
// If the Enter key is pressed without Shift and the window width is larger
// than 800 pixels, handle the outgoing chat
if (e.key === “Enter” && !e.shiftKey && window.innerWidth > 800) {
e.preventDefault();
handleOutgoingChat();
}
});

loadDataFromLocalstorage();
sendButton.addEventListener(“click”, handleOutgoingChat);