Issue #3357451: There is no display available. Please select another view or...

Issue #3357451: There is no display available. Please select another view or change the field settings.

src/Plugin/Field/FieldType/ViewsReferenceItem.php

@@ -121,6 +121,7 @@ class ViewsReferenceItem extends EntityReferenceItem {
       '#title' => $this->t('View display plugins to allow'),
       '#default_value' => $default_plugins,
       '#weight' => 1,
+      '#required' => TRUE,
     ];
 
     $form['preselect_views'] = [