>>> [!note] Migrated issue <!-- Drupal.org comment --> <!-- Migrated from issue #3214962. --> Reported by: [maurizio.ganovelli](https://www.drupal.org/user/366659) >>> <p>I get this notice on every node add page:</p> <p>Undefined index: preview in gin_form_alter() (line 183 of /web/themes/contrib/gin/gin.theme) </p>