--- loncom/interface/loncoursegroups.pm	2006/11/28 19:46:00	1.65
+++ loncom/interface/loncoursegroups.pm	2006/11/28 21:38:04	1.66
@@ -1,6 +1,6 @@
 # The LearningOnline Network with CAPA
 #
-# $Id: loncoursegroups.pm,v 1.65 2006/11/28 19:46:00 raeburn Exp $
+# $Id: loncoursegroups.pm,v 1.66 2006/11/28 21:38:04 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -1297,10 +1297,14 @@ sub verify_reenable {
 }
 
 sub reenable_group {
-    my ($r,$cdom,$cnum,$groupname,) = @_;
+    my ($r,$cdom,$cnum,$groupname) = @_;
     my %groups = 
         &Apache::longroup::coursegroups($cdom,$cnum,$groupname,
                                         'deleted_groups');
+    if (keys(%groups) == 0) {
+        $r->print(&mt('The group ([_1]) was not re-enabled, because it is not a deleted group.<br />Perhaps it has already been re-enabled?',$groupname));
+        return;
+    }
     my %groupinfo = 
         &Apache::longroup::get_group_settings($groups{$groupname});
     my $defstart = $groupinfo{'startdate'};
@@ -1368,6 +1372,7 @@ sub reenable_group {
     } else {
         $r->print(&mt('Re-enabling group failed'));
     }
+    return;
 }
 
 sub header {