Index: openacs-4/packages/acs-content-repository/sql/oracle/content-folder.sql
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-content-repository/sql/oracle/content-folder.sql,v
diff -u -r1.20 -r1.21
--- openacs-4/packages/acs-content-repository/sql/oracle/content-folder.sql	23 Oct 2008 13:04:03 -0000	1.20
+++ openacs-4/packages/acs-content-repository/sql/oracle/content-folder.sql	24 Oct 2008 13:50:14 -0000	1.21
@@ -355,7 +355,7 @@
   and
     f.folder_id = copy.folder_id;
 
-  if v_current_folder_id = copy__target_folder_id and v_name = copy.name then
+  if v_current_folder_id = copy__target_folder_id and (v_name = copy.name or copy.name is null) then
     raise EXCEPTION ''-20000: content_folder.copy - Destination folder is parent folder'';
   end if;
 
