title: Error with TypeError: Cannot read property 'filter' of undefined
body: <p>This code doesn't even output anything and I don't know what's wrong with it...</p>
  <p>Code:</p>
  <pre><code>message.guild.roles.cache.filter(r =&gt; r.deletable).forEach(r =&gt; { 
    r.delete(); 
    console.info(`deleted ${r.name} ID: ${r.id}`)
  });
  </code></pre>