🐛 | Menu Item Extras | Now allowing me to add extra field - InvalidArgumentException: Field field_test is unknown. in Drupal\Core\Entity\ContentEntityBase->getTranslatedField() (line 587 of core/lib/Drupal/Core/Entity/ContentEntityBase.php).
🇨🇭Switzerland AurianaHg
Thank you, agoradesign, because your #3 answer helped me! And I was exactly in the same situation as you.