Error while generating microdata view

```
Neither the property "values" nor one of the methods "values()", "getvalues()"/"isvalues()"/"hasvalues()" or "__call()" exist and have public access in class "Symfony\Component\VarDumper\Cloner\Data".

in vendor/elao/accesseo/templates/profiler/microdata.html.twig (line 11) 
```

