React draft wysiwyg dropdown not working problem

Question

Editor is working but dropdown not working,

toolbar image

import { useState } from 'react';
import { EditorState } from 'draft-js';
import { Editor } from 'react-draft-wysiwyg';
import 'react-draft-wysiwyg/dist/react-draft-wysiwyg.css';


const MyEditor = () => {

  let editorState = EditorState.createEmpty();

  const [description, setDescription] = useState(editorState);

  const onEditorStateChange = (editorState) => {
    setDescription(editorState);
  };

  return (
    <div>
      <Editor
        editorState={description}
        toolbarClassName="toolbarClassName"
        wrapperClassName="wrapperClassName"
        editorClassName="editorClassName"
        onEditorStateChange={onEditorStateChange}
      />
    </div>
  );
};

export default MyEditor;

When clicking on the dropdown it shows following warning in console

Console image