Fatal error: Uncaught Error: Class "Symfony\Component\VarDumper\Cloner\Stub" not found in /opt/lampp/htdocs/myhospitalnow/mhn-hospital-ms/vendorback/symfony/var-dumper/Caster/TraceStub.php:21 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/myhospitalnow/mhn-hospital-ms/vendorback/symfony/var-dumper/Caster/TraceStub.php on line 21