Fatal error: Uncaught Error: Class "Symfony\Component\VarDumper\Cloner\AbstractCloner" not found in E:\phpProject\TEST\fr_epr\fr_epr_reg\vendor\symfony\var-dumper\Cloner\VarCloner.php:17 Stack trace: #0 {main} thrown in E:\phpProject\TEST\fr_epr\fr_epr_reg\vendor\symfony\var-dumper\Cloner\VarCloner.php on line 17