title: discord js message.guild is always null message.member
body: <p>i'm new with discord.js and i'm having a problem, i want to move to another voice channel the user that message my bot. I tryed many thing already, and every time when i want to get the member from msg it's null, msg.guild is also null and in don't get why</p>
  <pre><code>client.on('message', msg =&gt; {
      var params = msg.content.split(&quot; &quot;);
      if (params[0] === &quot;!join&quot; &amp;&amp; params[1] != null) {
        channel = client.channels.cache.find(c =&gt; c.name == params[1] &amp;&amp; c.type == &quot;voice&quot;);
        member = msg.guild.members.get(msg.authorID);  
        member.voice.setChannel(channel)
      }
  });
  </code></pre>
  <p>i tried this also and still : TypeError: Cannot read property 'members' of null</p>
  <pre><code>client.on(&quot;message&quot;, async message =&gt; {
    var params = message.content.split(&quot; &quot;);
    if (params[0] === &quot;!join&quot; &amp;&amp; params[1] != null) {
      channel = client.channels.cache.find(c =&gt; c.name == params[1] &amp;&amp; c.type == &quot;voice&quot;);
      message.guild.members.fetch(message.authorID)
    }
  })
  </code></pre>