title: shows an error l"cannot read property 'servers' of undefined "
body: <p>sorry i was a noob then</p>
  <pre><code>const client = new Discord.Client();
  const token = process.env.DISCORD_BOT_TOKEN;
  const activities = [
  `${this.client.servers.cache.size} servers!`,
  `${this.client.channels.cache.size} channels!`,
  `${this.client.guilds.cache.reduce((a, b) =&gt; a + b.memberCount, 0)} users!`
  ];
  
  
  client.on('ready', message  =&gt; {
          let i = 0;
  setInterval(() =&gt; this.client.user.setActivity(`${activities[i++ % activities.length]}`, { type: 'WATCHING' }), 10000);
    console.log(`Thank you for starting the mighty Towers. Please keep this page open to keep it running bro!!! This is ${client.user.tag}! hosted by Abhinav`) 
  });
  
  client.login(token);
  </code></pre>
  <p><a href="https://i.stack.imgur.com/DWiPg.png" rel="nofollow noreferrer">Error</a></p>
  <p><a href="https://i.stack.imgur.com/DWiPg.png" rel="nofollow noreferrer">1</a>: <a href="https://i.stack.imgur.com/DWiPg.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/DWiPg.png" alt="https://i.stack.imgur.com/DWiPg.png" /></a> - this is an pick</p>
  <p>this is the error <code>${this.client.servers.cache.size}</code> servers!</p>