命令处理程序Rich Embed TypeError：无法读取未定义的属性“发送”

Question

所以最近我尝试在我的Discord机器人中实现命令处理程序。所有具有Rich Embeds的命令都出现错误“无法读取未定义的属性'发送'。发送帮助

代码：

const Discord = require('discord.js');
const ms = require('ms');
const bot = new Discord.Client();

var botname = 'Dev Bot'
var version = '1.0.0'
var author = 'potato#9347'

module.exports = {
    name: "suggest",
    description: "Sends suggestions to a suggestions channel",
    execute(message, args)
    {
        var suggestion = args.join(" ").slice(8)
        if(!args[1]) return message.reply("You didn't suggest anything")
        const suggestionchannel = "685991785138356458"
        const suggestembed = new Discord.RichEmbed()
        .setTitle('New Suggestion')
        .setColor(0x7289DA)
        .setFooter('Powered by ' + botname + ' ' + version)
        .setTimestamp()
        .addField('Suggestion', suggestion)
        .addField('Suggested by:', message.author)
        bot.channels.get(suggestionchannel).send(suggestembed).then(sentEmbed =>{
            sentEmbed.react('?')
            sentEmbed.react('?')

        message.reply("Thank you for the suggestion")
        setTimeout(() => {
            message.channel.bulkdelete(2)
          }, 1000);
        }
    )}
}

错误：TypeError：无法读取未定义的属性“发送”