When getting redirected to website after login in successfully to the IDP, an error is thrown : UnknownClassException: Class Authentication does not exist.
"TYPO3.CMS.Frontend.ContentObject.Exception.ProductionExceptionHandler": Oops, an error occurred! Code: 2021122216180350590c8a-
UnknownClassException: Class Authentication does not exist. Reflection failed. Class : Authentication , in file /.../typo3/sysext/extbase/Classes/Reflection/ReflectionService.php:101 -
{
"exception":"ReflectionException: Class Authentication does not exist in /.../typo3/sysext/extbase/Classes/Reflection/ClassSchema.php:127
Stack trace:
#0 /.../typo3/sysext/extbase/Classes/Reflection/ClassSchema.php(127): ReflectionClass->__construct()
...
}