title: "ERROR in getInternalNameOfClass() called on a non-ES5 class: expected AngularFireModule to have an inner class declaration"
body: <pre><code>Terminal -
  
      &quot;WARNING in Invalid constructor parameter decorator in D:/New folder/SilverLife/node_modules/@angular/fire/fesm2015/angular-fire.js:
       () =&gt; [
          { type: Object, decorators: [{ type: Inject, args: [PLATFORM_ID,] }] }
      ]
      
      ERROR in getInternalNameOfClass() called on a non-ES5 class: expected
      AngularFireModule to have an inner class declaration&quot;
  </code></pre>
  <p>I am facing this issue while integrating Angular firebase in my Angular 9 project.
  <a href="https://i.stack.imgur.com/d9Qwf.png" rel="noreferrer"><img src="https://i.stack.imgur.com/d9Qwf.png" alt="My application's package.json" /></a></p>