Fatal error: Uncaught Error: Call to undefined method DateTime::createFromFormat() in C:\AppServ\www\vendor\symfony\http-foundation\Response.php:212 Stack trace: #0 C:\AppServ\www\vendor\symfony\http-foundation\RedirectResponse.php(37): Symfony\Component\HttpFoundation\Response->__construct('', 301, Array) #1 C:\AppServ\www\faq.php(34): Symfony\Component\HttpFoundation\RedirectResponse->__construct('/app.php/help/f...', 301) #2 {main} thrown in C:\AppServ\www\vendor\symfony\http-foundation\Response.php on line 212