message: Don't send null, send emptystring
diff: @@ -171,7 +171,7 @@ export class DiscordBot {
  try {
  if (botUser) {
  opts.embed = embed;
  - msg = await chan.send(null, opts);
  + msg = await chan.send("", opts);
  } else {
  msg = await chan.send(embed.description, opts);
  }
  