Index: content_admin.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/cck/content_admin.inc,v
retrieving revision 1.12.2.27
diff -u -r1.12.2.27 content_admin.inc
--- content_admin.inc	23 Jan 2007 00:34:49 -0000	1.12.2.27
+++ content_admin.inc	27 Jan 2007 21:29:39 -0000
@@ -386,7 +386,7 @@
     return;
   }
 
-  $disabled = unserialize($form['disabled']['#value']);
+  $disabled = unserialize($form['disabled']['#value']) ? unserialize($form['disabled']['#value']) : array();
 
   if (module_exist('fieldgroup')) {
     $header = array(t('Label'), t('Name'), t('Type'), t('Weight'), t('Group'), array('data' => t('Operations'), 'colspan' => 2));