Anonymous do not have security mapping.

bt5/erp5_administration/SkinTemplateItem/portal_skins/erp5_administration/Base_viewSecurity.xml

@@ -75,9 +75,10 @@ print \'\'\'\n
 ----------------\n
 Security mapping\n
 ----------------\'\'\'\n
-try:\n
+if u.getId() is not None:\n
+  try:\n
     print context.Base_viewSecurityMappingAsUser(u.getId())\n
-except Unauthorized:\n
+  except Unauthorized:\n
     print "user doesn\'t have permission to security mapping in this context"\n
 \n
 return printed\n

bt5/erp5_administration/bt/revision

-140
\ No newline at end of file
+141
\ No newline at end of file