Index: openacs-4/packages/dotlrn/tcl/site-nodes-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn/tcl/Attic/site-nodes-procs.tcl,v
diff -u -r1.7 -r1.8
--- openacs-4/packages/dotlrn/tcl/site-nodes-procs.tcl	25 Feb 2002 20:38:37 -0000	1.7
+++ openacs-4/packages/dotlrn/tcl/site-nodes-procs.tcl	16 Mar 2002 00:24:47 -0000	1.8
@@ -76,7 +76,7 @@
     } {
         get the object_id (not node_id!) of the parent of this instance
     } {
-        return [db_string select_parent_oid_by_instance_id {}]
+        return [db_string select_parent_oid_by_instance_id {} -default ""]
     }
 
     ad_proc -public get_parent_name {