diff --git a/core/modules/views/src/Entity/Render/RendererBase.php b/core/modules/views/src/Entity/Render/RendererBase.php
index feca3ae..ed5badd 100644
--- a/core/modules/views/src/Entity/Render/RendererBase.php
+++ b/core/modules/views/src/Entity/Render/RendererBase.php
@@ -85,7 +85,7 @@ public function query(QueryPluginBase $query) {
   /**
    * Runs before each row is rendered.
    *
-   * @param array $result
+   * @param \Drupal\views\ResultRow[] $result
    *   The full array of results from the query.
    * @param string $relationship
    *   The relationship to be used, or 'none' by default.
@@ -93,11 +93,11 @@ public function query(QueryPluginBase $query) {
   public function preRender(array $result, $relationship = 'none') {
     $view_builder = $this->view->rowPlugin->entityManager->getViewBuilder($this->entityType->id());
 
-    /** @var \Drupal\views\ResultRow $row */
     foreach ($result as $row) {
-      $entity = $relationship === 'none' ? $row->_entity : $row->_relationship_entities[$relationship];
-      $entity->view = $this->view;
-      $this->build[$entity->id()] = $view_builder->view($entity, $this->view->rowPlugin->options['view_mode'], $this->getLangcode($row));
+      if ($entity = $this->getEntity($row, $relationship)) {
+        $entity->view = $this->view;
+        $this->build[$entity->id()] = $view_builder->view($entity, $this->view->rowPlugin->options['view_mode'], $this->getLangcode($row));
+      }
     }
   }
 
@@ -115,4 +115,26 @@ public function render(ResultRow $row) {
     return $this->build[$entity_id];
   }
 
+  /**
+   * Gets the entity assosiated with a row.
+   *
+   * @param \Drupal\views\ResultRow $row
+   *   The result row.
+   * @param string $relationship
+   *   (optional) The relationship.
+   *
+   * @return \Drupal\Core\Entity\EntityInterface|null
+   *   The entity might be optional, because the relationship entity might not
+   *   always exist.
+   */
+  protected function getEntity($row, $relationship = 'none') {
+    if ($relationship === 'none') {
+      return $row->_entity;
+    }
+    elseif (isset($row->_relationship_entities[$relationship])) {
+      return $row->_relationship_entities[$relationship];
+    }
+    return NULL;
+  }
+
 }
diff --git a/core/modules/views/src/Entity/Render/TranslationLanguageRenderer.php b/core/modules/views/src/Entity/Render/TranslationLanguageRenderer.php
index 4548511..08a6fbc 100644
--- a/core/modules/views/src/Entity/Render/TranslationLanguageRenderer.php
+++ b/core/modules/views/src/Entity/Render/TranslationLanguageRenderer.php
@@ -52,10 +52,11 @@ public function preRender(array $result, $relationship = 'none') {
 
     /** @var \Drupal\views\ResultRow $row */
     foreach ($result as $row) {
-      $entity = $relationship === 'none' ? $row->_entity : $row->_relationship_entities[$relationship];
-      $entity->view = $this->view;
-      $langcode = $this->getLangcode($row);
-      $this->build[$entity->id()][$langcode] = $view_builder->view($entity, $this->view->rowPlugin->options['view_mode'], $this->getLangcode($row));
+      if ($entity = $this->getEntity($row, $relationship)) {
+        $entity->view = $this->view;
+        $langcode = $this->getLangcode($row);
+        $this->build[$entity->id()][$langcode] = $view_builder->view($entity, $this->view->rowPlugin->options['view_mode'], $this->getLangcode($row));
+      }
     }
   }