Fatal error: Uncaught Error: Class "Symfony\Polyfill\Intl\Icu\DateFormat\Transformer" not found in I:\www\frameworks\Symfony\doctrine\vendor\symfony\polyfill-intl-icu\DateFormat\DayTransformer.php:21 Stack trace: #0 {main} thrown in I:\www\frameworks\Symfony\doctrine\vendor\symfony\polyfill-intl-icu\DateFormat\DayTransformer.php on line 21