Index: openacs-4/packages/forums/www/admin/subscribe-others.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/forums/www/admin/subscribe-others.tcl,v
diff -u -N -r1.6.2.1 -r1.6.2.2
--- openacs-4/packages/forums/www/admin/subscribe-others.tcl	15 Jul 2022 16:19:56 -0000	1.6.2.1
+++ openacs-4/packages/forums/www/admin/subscribe-others.tcl	30 Aug 2022 13:08:30 -0000	1.6.2.2
@@ -7,7 +7,7 @@
     @cvs-id $Id$
 
 } {
-    forum_id:object_type(forums_forum)
+    forum_id:object_type(forums_forum),notnull
     {return_url:localurl "."}
 }