Fatal error: Uncaught Error: Class "Symfony\Flex\Configurator\AbstractConfigurator" not found in D:\htdocs\SuiteCRM\vendor\symfony\flex\src\Configurator\ContainerConfigurator.php:21 Stack trace: #0 {main} thrown in D:\htdocs\SuiteCRM\vendor\symfony\flex\src\Configurator\ContainerConfigurator.php on line 21