Fatal error: Uncaught Error: Class "Symfony\Component\VarDumper\Cloner\Stub" not found in C:\apache24\htdocs\rccm\portailWeb\vendor\symfony\var-dumper\Caster\DsPairStub.php:19 Stack trace: #0 {main} thrown in C:\apache24\htdocs\rccm\portailWeb\vendor\symfony\var-dumper\Caster\DsPairStub.php on line 19