diff --git a/src/Plugin/Field/FieldFormatter/EntityReferenceTabFormatter.php b/src/Plugin/Field/FieldFormatter/EntityReferenceTabFormatter.php
index 52e3389..913c3be 100644
--- a/src/Plugin/Field/FieldFormatter/EntityReferenceTabFormatter.php
+++ b/src/Plugin/Field/FieldFormatter/EntityReferenceTabFormatter.php
@@ -116,12 +116,15 @@ class EntityReferenceTabFormatter extends FormatterBase {
     foreach ($items as $delta => $item) {
       $id = $item->getValue()['target_id'];
       $content = \Drupal::entityTypeManager()->getStorage($entity_type_id)->load($id);
-      $title = $content->get($title_field)->getValue()[0]['value'];
-      $body = [
-        '#type' => 'processed_text',
-        '#text' => $content->get($body_field)->getValue()[0]['value'],
-        '#format' => $content->get($body_field)->getValue()[0]['format'],
-      ];
+      $title = $content->get($title_field)->getValue() ?? $content->get($title_field)->getValue()[0]['value'];
+      $body = $content->get($body_field)->getValue();
+      if (isset($body) && array_key_exists(0, $body)) {
+        $body = [
+          '#type' => 'processed_text',
+          '#text' => $body[0]['value'],
+          '#format' => $body[0]['format'],
+        ];
+      }
       $tabs[$id] = array(
         'title' => $title,
         'body' => $body,