class Entities extends DashboardPageController
{
    public function view($packageHandle)
    {
        Cache::disableAll();
        /** @var \Concrete\Core\Package\Package $package */
        $package = Package::getClass($packageHandle);
        $em = $package->getEntityManager();
        $cmf = $em->getMetadataFactory();
        $driver = $em->getConfiguration()->newDefaultAnnotationDriver($package->getPackageEntityPaths());
        $classes = $driver->getAllClassNames(); /////// FAILS ON THIS LINE ////////
 
        $tests = array();
        foreach ($classes as $class) {
            try {
                $tests[$class]['metadata'] = $cmf->getMetadataFor($class);
                $tests[$class]['valid'] = true;
            } catch (AnnotationException $e) {
                $tests[$class]['valid'] = false;
                $tests[$class]['reason'] = $e->getMessage();
            }
        }
 
        $this->set('entities', $tests);
        Cache::enableAll();
    }
 
}