La etiqueta "const" no funciona en discord.js para un bot de discord.

El código se refiere a esto como "aboutembed". No sé qué está mal con el código.

¿Puede alguien por favor ayudar? Gracias.

 C:\Users\alext\OneDrive\Documents\Toast\index.js:10 const aboutembed = new Discord.MessageEmbed({ ^^^^^ SyntaxError: Unexpected token 'const' ←[90m at Object.compileFunction (node:vm:352:18)←[39m ←[90m at wrapSafe (node:internal/modules/cjs/loader:1033:15)←[39m ←[90m at Module._compile (node:internal/modules/cjs/loader:1069:27)←[39m ←[90m at Object.Module._extensions..js (node:internal/modules/cjs/loader:1159:10)←[39m ←[90m at Module.load (node:internal/modules/cjs/loader:981:32)←[39m ←[90m at Function.Module._load (node:internal/modules/cjs/loader:822:12)←[39m ←[90m at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:77:12)←[39m ←[90m at node:internal/main/run_main_module:17:47←[39m

 const Discord = require('discord.js'); const request = require('request'); const fetch = require('node-fetch'); require('dotenv-flow').config(); const client = new Discord.Client(); var prefix = !! const aboutembed = new Discord.MessageEmbed({ title: "Food Bot", fields: [ { name: "Author", value: "This bot is made by **AlexToucanYT#0001** on Discord, copyrighted by AT Products LLC." }, { name: "Commands", value: "https://raw.githubusercontent.com/Alex-Toucan/Food-bot/master/files/commands.txt" } ], color: "GREY" }) client.on('message', msg => { if(msg.content.toLowerCase() === '${prefix}help') { msg.reply({ embed: aboutembed }); } });