Fatal error: Uncaught Error: Interface "Symfony\Component\VarDumper\Dumper\DataDumperInterface" not found in /home/slsiluser/public_html/service-portal-mobile-responsive/vendor/symfony/var-dumper/Dumper/ContextualizedDumper.php:20 Stack trace: #0 {main} thrown in /home/slsiluser/public_html/service-portal-mobile-responsive/vendor/symfony/var-dumper/Dumper/ContextualizedDumper.php on line 20