title: index.js:1 Warning: validateDOMNesting(...): <ul> cannot appear as a descendant of <p>
body: <pre><code>index.js:1 Warning: validateDOMNesting(...): &lt;h6&gt; cannot appear as a descendant of &lt;p&gt;.
  index.js:1 Warning: validateDOMNesting(...): &lt;ul&gt; cannot appear as a descendant of &lt;p&gt;.
  index.js:1 Warning: validateDOMNesting(...): &lt;form&gt; cannot appear as a descendant of &lt;p&gt;.
  </code></pre>
  <p>What is the cause of these errors?</p>