title: How to Fix Call to undefined function Symfony\Polyfill\Mbstring\iconv_strpos() Issue
body: <p>I uploaded my Laravel project to server. It displays following error. How to fix it?</p>
  
  <blockquote>
    <p>Fatal error: Call to undefined function Symfony\Polyfill\Mbstring\iconv_strpos() in /home/invoice/vendor/symfony/polyfill-mbstring/Mbstring.php on line 358</p>
  </blockquote>