title: TypeError [ERR_INVALID_ARG_TYPE]: The "id" argument must be of type string
body: <p>I'm working on an NPM package to make a command handler for Discord. I get the following error:</p>
  <pre><code>(node:9400) UnhandledPromiseRejectionWarning: TypeError [ERR_INVALID_ARG_TYPE]: The &quot;id&quot; argument must be of type string. Received undefined.
  </code></pre>
  <p><img src="https://i.stack.imgur.com/CyVpe.png" alt="This is the err" /></p>
  <p>he error says that is in line:</p>
  <pre><code>switch (_f.label) {
  </code></pre>
  <p>I tried all but I dont have a solution</p>