[support] Warning after enabling node_save_redirect and contact_form.

Hi, This is the message with the red X: (formatted for readability) Warning: Attempt to assign property of non-object in taxonomy_vocabulary_save() (line 430 of /var/www/modules/taxonomy/taxonomy.module). Notice: Trying to get property of non-object in taxonomy_vocabulary_save() (line 448 of /var/www/modules/taxonomy/taxonomy.module). Drupal 7.23 on Debian Wheezy. Augustine