Fatal error: Uncaught Error: Class "Symfony\Component\Translation\Dumper\FileDumper" not found in T:\Xampp\htdocs\notice\vendor\symfony\translation\Dumper\PoFileDumper.php:21 Stack trace: #0 {main} thrown in T:\Xampp\htdocs\notice\vendor\symfony\translation\Dumper\PoFileDumper.php on line 21