Fatal error: Uncaught Error: Class "DateException" not found in D:\Apache24\www\sciegen\backend\vendor\symfony\polyfill-php83\Resources\stubs\DateMalformedPeriodStringException.php:13 Stack trace: #0 {main} thrown in D:\Apache24\www\sciegen\backend\vendor\symfony\polyfill-php83\Resources\stubs\DateMalformedPeriodStringException.php on line 13