Warning: array_flip(): Can only flip string and integer values, entry skipped in Drupal\Core\Entity\EntityStorageBase->loadMultiple() (line 278 of core/lib/Drupal/Core/Entity/EntityStorageBase.php).
Warning: Attempt to read property "field_valence" on null in az_content_preprocess_node() (line 647 of modules/custom.org/az_content/az_content.module).
