title: Warning: A future version of React will block javascript
body: <p>I cloned repo from gitlab and installed the dependencies then When I type <code>yarn next dev</code> from command line I get </p>
  
  <pre><code>index.js:1 Warning: A future version of React will block javascript: URLs as a security precaution. Use event handlers instead if you can. If you need to generate unsafe HTML try using dangerouslySetInnerHTML instead. React was passed "javascript:;" 
  </code></pre>
  
  <p>error. And in the browser I get err <code>code 404</code> on landing page. What is wrong I could not manage to get over.</p>