JS discord bot is getting error: Cannot send an empty message

Question

I'm making a discord bot, but I'm getting the error:

Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 2).

I know something is wrong, but not sure what is it.

client.on('message', message => {
  if (message.content === 's!verifymsg') {
    const embed = new RichEmbed()
      .setTitle('__**VERIFICACIÓN**__')
      .setColor(0xFF0000)
      .setDescription('¡Para poder ver los demás canales, es necesario que reacciones para verificar! \n- Reacciona con (✅)')
    message.channel.send(embed);
  }
});

If you type s!verifymsg it sends an embed in that same channel containing some text in that same embed.

Justin Pearce · Accepted Answer · 2019-04-04 18:36:39Z

1

Looking at this guide (https://anidiots.guide/first-bot/using-embeds-in-messages), shows be that there are a couple things that might be causing it:

1) new RichEmbed() should probably be new Discord.RichEmbed(). This is what the discord.js documentation shows.

2) message.channel.send(embed); should probably be message.channel.send({embed});.

answered Apr 4, 2019 at 18:36

Justin Pearce

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4 Comments

Marie Over a year ago

You should probably expand out that last example to {embed: embed}. I dont think many people are familiar with the implicit behavior of wrapping an object in an object. plus a lot of the documentation explicitly uses embed: ...

Justin Pearce Over a year ago

@Marie I thought about it but wasn't sure of a good way to tie it back to the original code sample.

PLASMA chicken Over a year ago

For this you have to understand node.js, in 1) you can do const { RichEmbed } = require('discord.js'); or const Discord = require('discord.js') for 2) (embed) alone should work as it will be handeld internally, obv {embed} will also work but {embed: embed} too because it renames embed to embed wich in this case doesn't matter but when you do const ExampleEmbed = new RichEmbed() you have to do .send('text ( optional) ', { embed: ExampleEmbed }); or .send(ExampleEmbed)

PLASMA chicken Over a year ago

.send(embed) only works in the newer versions of discord.js tho so might do npm update

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