Check for non-null entity

discoverygarden · Nov 1, 2023 · 00e9112 · 00e9112
1 parent 8f3c74f
commit 00e9112
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/Plugin/OaiMetadataMap/DgiStandard.php b/src/Plugin/OaiMetadataMap/DgiStandard.php
@@ -353,7 +353,7 @@ protected function addValues(FieldItemListInterface $items, $metadata_field) {
   protected function addLinkedAgentValues(EntityReferenceFieldItemListInterface $items) {
     foreach ($items as $item) {
       $metadata_field = $this->getLinkedAgentMetadataField($item->getValue()['rel_type']);
-      if ($metadata_field) {
+      if ($metadata_field && $item->entity) {
         $this->elements[$metadata_field][] = $item->entity->label();
       }
     }