Symfony\Component\Serializer\Encoder\XmlEncoder->buildXml() (Line: 451)
Symfony\Component\Serializer\Encoder\XmlEncoder->selectNodeType() (Line: 426)
Symfony\Component\Serializer\Encoder\XmlEncoder->appendNode() (Line: 380)
Symfony\Component\Serializer\Encoder\XmlEncoder->buildXml() (Line: 451)
Symfony\Component\Serializer\Encoder\XmlEncoder->selectNodeType() (Line: 426)
Symfony\Component\Serializer\Encoder\XmlEncoder->appendNode() (Line: 377)
Symfony\Component\Serializer\Encoder\XmlEncoder->buildXml() (Line: 95)
Symfony\Component\Serializer\Encoder\XmlEncoder->encode() (Line: 43)
Symfony\Component\Serializer\Encoder\ChainEncoder->encode() (Line: 418)
Symfony\Component\Serializer\Serializer->encode() (Line: 143)
Symfony\Component\Serializer\Serializer->serialize() (Line: 36)
Drupal\ekan_core\Controller\DcatCatalogApi->retrieveDataset()
call_user_func_array() (Line: 123)
Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}() (Line: 637)
Drupal\Core\Render\Renderer->executeInRenderContext() (Line: 121)
Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->wrapControllerExecutionInRenderContext() (Line: 97)
Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}() (Line: 181)
Symfony\Component\HttpKernel\HttpKernel->handleRaw() (Line: 76)
Symfony\Component\HttpKernel\HttpKernel->handle() (Line: 53)
Drupal\Core\StackMiddleware\Session->handle() (Line: 48)
Drupal\Core\StackMiddleware\KernelPreHandle->handle() (Line: 28)
Drupal\Core\StackMiddleware\ContentLength->handle() (Line: 201)
Drupal\page_cache\StackMiddleware\PageCache->fetch() (Line: 138)
Drupal\page_cache\StackMiddleware\PageCache->lookup() (Line: 87)
Drupal\page_cache\StackMiddleware\PageCache->handle() (Line: 48)
Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle() (Line: 51)
Drupal\Core\StackMiddleware\NegotiationMiddleware->handle() (Line: 36)
Drupal\Core\StackMiddleware\AjaxPageState->handle() (Line: 51)
Drupal\Core\StackMiddleware\StackedHttpKernel->handle() (Line: 741)
Drupal\Core\DrupalKernel->handle() (Line: 19)