Fatal error: Uncaught Symfony\Component\Debug\Exception\FatalThrowableError: Function name must be a string in /var/www/html/var/cache/website/prod/sulu/proxies/ProxyManagerGeneratedProxy__PM__SuluBundleContentBundleDocumentHomeDocumentGenerated8c28ca2d2a1b982efebca9ee487af5a6.php:349 Stack trace: #0 [internal function]: ProxyManagerGeneratedProxy\__PM__\Sulu\Bundle\ContentBundle\Document\HomeDocument\Generated8c28ca2d2a1b982efebca9ee487af5a6->__set('structure', Object(Sulu\Component\Content\Document\Structure\ManagedStructure)) #1 /var/www/html/vendor/sulu/document-manager/lib/DocumentAccessor.php(61): ReflectionProperty->setValue(Object(ProxyManagerGeneratedProxy\__PM__\Sulu\Bundle\ContentBundle\Document\HomeDocument\Generated8c28ca2d2a1b982efebca9ee487af5a6), Object(Sulu\Component\Content\Document\Structure\ManagedStructure)) #2 /var/www/html/vendor/sulu/sulu/src/Sulu/Component/Content/Document/Subscriber/StructureSubscriber.php(202): Sulu\Component\DocumentManager\DocumentAccessor->set('structure', Object(Sulu\Compone in /var/www/html/var/cache/website/prod/sulu/proxies/ProxyManagerGeneratedProxy__PM__SuluBundleContentBundleDocumentHomeDocumentGenerated8c28ca2d2a1b982efebca9ee487af5a6.php on line 349