This is a code for fixing activity entry point error. It fetches commands from API and lets you delete it manually. Which you will get your launch command is ID and delete it manually so you won't have any error message on console.

fix-entry-point-error.js

/*
  Author: @neodevils
  Feel free to share it for others to don't deal with this issue when launching their activity on bot!
*/

import { REST } from "@discordjs/rest";
import { Routes } from "discord-api-types/v10";
import { CLIENT_ID, TOKEN } from "./config.js";

// Replace these with your actual values or fetch it from your config.js/json file
const token = TOKEN;
const clientId = CLIENT_ID;
// const guildId = "YOUR_GUILD_ID";  Optional, for guild-specific commands

const rest = new REST({ version: "10" }).setToken(token);

async function fetchCommands() {
    try {
        console.log("Fetching global commands...");
        const globalCommands = await rest.get(
            Routes.applicationCommands(clientId)
        );
        console.log("Global Commands:", globalCommands);

        console.log("Fetching guild commands...");
        /* const guildCommands = await rest.get(
            Routes.applicationGuildCommands(clientId, guildId)
        );
        console.log("Guild Commands:", guildCommands);
        */

        console.log("\nList of Commands:");
        // Or you can use [...globalCommands, ...guildCommands]
        [...globalCommands].forEach((cmd) => {
            console.log(
                `- Name: ${cmd.name}, ID: ${cmd.id}, Type: ${cmd.type}`
            );
        });

        // The command is ID to delete
        // - Name: launch, ID: ********************, Type: 4
        const commandIdToDelete = "LAUNCH_COMMAND_ID";

        await rest.delete(
            Routes.applicationCommand(clientId, commandIdToDelete)
        );
        console.log(
            `Successfully deleted command with ID: ${commandIdToDelete}`
        );
    } catch (error) {
        console.error("Error fetching commands:", error);
    }
}

fetchCommands();

fix-entry-point-error.md

Error message

After running the code