Error message

• Warning: Illegal string offset 'corporate_name' in Drupal\publisso_gold\Views\Volume->Drupal\publisso_gold\Views\{closure}() (line 246 of modules/custom/publisso_gold/src/Views/Volume.php).

  Drupal\publisso_gold\Views\Volume->Drupal\publisso_gold\Views\{closure}('Gesellschaft für Medizinische Ausbildung, GMA-Ausschuss für Weiterbildung')
  array_map(Object, Array) (Line: 245)
  Drupal\publisso_gold\Views\Volume->renderArticlesForVolume(Array, Object, 'en', Object) (Line: 204)
  Drupal\publisso_gold\Views\Volume->renderVolumeView(Object, Object, Object) (Line: 109)
  Drupal\publisso_gold\Views\Volume->setJournalContent_volume(Object, Object, NULL) (Line: 228)
  Drupal\publisso_gold\Views\Journal->setJournalContent(Object, Object, NULL) (Line: 194)
  Drupal\publisso_gold\Views\Article->getJournalBody(Object, 'volume') (Line: 136)
  Drupal\publisso_gold\Views\Article->getArticleHTMLbyId('73', '118', '3435', 'volume') (Line: 102)
  Drupal\publisso_gold\Views\Article->getArticleHTML('jmeBAI3', 'volume30', 'zma000890', 'volume')
  call_user_func_array(Array, Array) (Line: 123)
  Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}() (Line: 564)
  Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 124)
  Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)
  Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}() (Line: 158)
  Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 80)
  Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 58)
  Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 48)
  Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object, 1, 1) (Line: 106)
  Drupal\page_cache\StackMiddleware\PageCache->pass(Object, 1, 1) (Line: 85)
  Drupal\page_cache\StackMiddleware\PageCache->handle(Object, 1, 1) (Line: 48)
  Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 51)
  Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 23)
  Stack\StackedHttpKernel->handle(Object, 1, 1) (Line: 708)
  Drupal\Core\DrupalKernel->handle(Object) (Line: 19)
  

• Notice: Trying to get property 'corporate_name' of non-object in Drupal\publisso_gold\Controller\Tools->getArticleDCMeta() (line 2329 of modules/custom/publisso_gold/src/Controller/Tools.php).

  Drupal\publisso_gold\Controller\Tools->getArticleDCMeta(Object, Object) (Line: 144)
  Drupal\publisso_gold\Views\Article->getArticleHTMLbyId('73', '118', '3435', 'volume') (Line: 102)
  Drupal\publisso_gold\Views\Article->getArticleHTML('jmeBAI3', 'volume30', 'zma000890', 'volume')
  call_user_func_array(Array, Array) (Line: 123)
  Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}() (Line: 564)
  Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 124)
  Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)
  Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}() (Line: 158)
  Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 80)
  Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 58)
  Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 48)
  Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object, 1, 1) (Line: 106)
  Drupal\page_cache\StackMiddleware\PageCache->pass(Object, 1, 1) (Line: 85)
  Drupal\page_cache\StackMiddleware\PageCache->handle(Object, 1, 1) (Line: 48)
  Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 51)
  Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 23)
  Stack\StackedHttpKernel->handle(Object, 1, 1) (Line: 708)
  Drupal\Core\DrupalKernel->handle(Object) (Line: 19)