Fatal error: Uncaught Error: Class "Symfony\Component\VarDumper\Caster\ConstStub" not found in /home/deborapsol/laravel/vendor/symfony/var-dumper/Caster/LinkStub.php:19 Stack trace: #0 {main} thrown in /home/deborapsol/laravel/vendor/symfony/var-dumper/Caster/LinkStub.php on line 19