diff --git a/core/modules/workflows/src/Form/WorkflowTransitionEditForm.php b/core/modules/workflows/src/Form/WorkflowTransitionEditForm.php
index ecc4a81..6aa7cff 100644
--- a/core/modules/workflows/src/Form/WorkflowTransitionEditForm.php
+++ b/core/modules/workflows/src/Form/WorkflowTransitionEditForm.php
@@ -136,15 +136,20 @@ protected function copyFormValuesToEntity(EntityInterface $entity, array $form,
       // Only do something once form validation is complete.
       return;
     }
-    /** @var \Drupal\workflows\WorkflowInterface $entity */
-    $values = $form_state->getValues();
-    $form_state->set('created_transition', FALSE);
-    $entity->setTransitionLabel($values['id'], $values['label']);
-    $entity->setTransitionFromStates($values['id'], array_filter($values['from']));
-    if (isset($values['type_settings'])) {
-      $configuration = $entity->getTypePlugin()->getConfiguration();
-      $configuration['transitions'][$values['id']] = $values['type_settings'][$entity->getTypePlugin()->getPluginId()];
-      $entity->set('type_settings', $configuration);
+    try {
+      /** @var \Drupal\workflows\WorkflowInterface $entity */
+      $values = $form_state->getValues();
+      $form_state->set('created_transition', FALSE);
+      $entity->setTransitionLabel($values['id'], $values['label']);
+      $entity->setTransitionFromStates($values['id'], array_filter($values['from']));
+      if (isset($values['type_settings'])) {
+        $configuration = $entity->getTypePlugin()->getConfiguration();
+        $configuration['transitions'][$values['id']] = $values['type_settings'][$entity->getTypePlugin()->getPluginId()];
+        $entity->set('type_settings', $configuration);
+      }
+    }
+    catch(\Exception $e) {
+      // Do nothing, if there is an exception we want validation to handle it.
     }
   }