Fatal error: Uncaught Error: Class 'Symfony\Component\Intl\Exception\RuntimeException' not found in C:\xampp\htdocs\ApiSigestWin\1.0\vendor\symfony\intl\Exception\NotImplementedException.php:19 Stack trace: #0 {main} thrown in C:\xampp\htdocs\ApiSigestWin\1.0\vendor\symfony\intl\Exception\NotImplementedException.php on line 19