```php $registry = (new ClassRegistry($converter)) ->addClassDirectory($this->projectDir . '/vendor/pimcore/pimcore/lib/Loader/') ->load(); ``` And I have got error: ``` In ClassParser.php line 197: Class "AbstractClassNameLoader" does not exist ``` Problem happened on class declaration starting from: ```php <?php declare(strict_types = 1); namespace Pimcore\Loader\ImplementationLoader; class ClassMapLoader extends AbstractClassNameLoader { ... ``` Class `AbstractClassNameLoader` indeed did not listed in the `use` statements, but that present in the same namespace and directory.