diff --git a/core/lib/Drupal/Core/Field/WidgetBase.php b/core/lib/Drupal/Core/Field/WidgetBase.php
index e1da2b9052..0409ffc560 100644
--- a/core/lib/Drupal/Core/Field/WidgetBase.php
+++ b/core/lib/Drupal/Core/Field/WidgetBase.php
@@ -420,6 +420,9 @@ public function flagErrors(FieldItemListInterface $items, ConstraintViolationLis
     $field_name = $this->fieldDefinition->getName();
 
     $field_state = static::getWidgetState($form['#parents'], $field_name, $form_state);
+    if (empty($field_state)) {
+      return;
+    }
 
     if ($violations->count()) {
       // Locate the correct element in the form.