>>> [!note] Migrated issue <!-- Drupal.org comment --> <!-- Migrated from issue #2992108. --> Reported by: [yassersamman](https://www.drupal.org/user/1394966) >>> <p>When trying to update a field settings in manage display, the following error appears in browser console:<br> <code>An invalid form control with name='fields[body][settings_edit_form][third_party_settings][linked_field][destination][field]' is not focusable.</code></p> <p>this issue appears on Drupal version : 8.5.6</p>