Fatal error: Uncaught Error: Class "Composer\Script\Event" not found in /home/ntpcbgtpp/public_html/mat1/vendor/symfony/flex/src/Event/UpdateEvent.php:17 Stack trace: #0 {main} thrown in /home/ntpcbgtpp/public_html/mat1/vendor/symfony/flex/src/Event/UpdateEvent.php on line 17