Fatal error: Uncaught Error: Class "Symfony\Polyfill\Intl\Normalizer\Normalizer" not found in C:\01_Projekte\liga_24\phpseclib\vendor\symfony\polyfill-intl-normalizer\Resources\stubs\Normalizer.php:3 Stack trace: #0 {main} thrown in C:\01_Projekte\liga_24\phpseclib\vendor\symfony\polyfill-intl-normalizer\Resources\stubs\Normalizer.php on line 3