类型错误：无法读取未定义的属性“反应”

Question

I'm getting the following error and would like a little help!

Error TypeError: Cannot read property 'react' of undefined

I wanted to make a code that would add reactions to a certain message, including the guild, channel, and the message id!

Here my Code:

let servidor = bot.guilds.cache.get("guildid");

let canal = servidor.channels.cache.get("channelid");

let mensagem = canal.messages.cache.get("messageid");

mensagem.react("765350841330171904");

mensagem.react("765350842005454858");

Answer 1

Your error means that the message ID is incorrect or, more commonly, that the message is not cached. This might've happened because it was sent before the last time you restarted your bot. Luckily, you can use MessageManager.fetch() which will get the message directly from Discord's API (or the cache if it's available).

This method does return a promise, so make sure your function is async or you use a .then() to handle it.

const servidor = bot.guilds.cache.get("guildid");
const canal = servidor.channels.cache.get("channelid");
const mensagem = await canal.messages.fetch("messageid"); // fetch the message

mensagem.react("765350841330171904");
mensagem.react("765350842005454858");