Index: openacs-4/packages/evaluation/www/admin/groups/group-member-add.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/evaluation/www/admin/groups/group-member-add.tcl,v
diff -u -r1.7.8.1 -r1.7.8.2
--- openacs-4/packages/evaluation/www/admin/groups/group-member-add.tcl	19 Aug 2014 07:35:56 -0000	1.7.8.1
+++ openacs-4/packages/evaluation/www/admin/groups/group-member-add.tcl	19 Aug 2014 07:41:47 -0000	1.7.8.2
@@ -7,8 +7,8 @@
 	@creation-date Mar 2004
 	@cvs-id $Id$
 } {
-	student_id:integer,notnull
-	task_id:integer,notnull
+	student_id:naturalnum,notnull
+	task_id:naturalnum,notnull
 	{orderby:optional}
 } -validate {
 	target_exists {