title: Uncaught SyntaxError: Unexpected token '<' while making build in reactjs
body: <p>When I visit localhost:3000/ than its working and login page is showing for frontend but if I visit localhost:3000/admin/login than blank page is displaying but this case is working fine using NPM start but its not working for NPM run build..</p>
  <p>Here is the code that I am following
  <a href="https://github.com/coreui/coreui-free-react-admin-template" rel="nofollow noreferrer">https://github.com/coreui/coreui-free-react-admin-template</a></p>