--- loncom/auth/lonroles.pm	2005/04/22 20:54:43	1.119
+++ loncom/auth/lonroles.pm	2005/06/05 07:10:32	1.120
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # User Roles Screen
 #
-# $Id: lonroles.pm,v 1.119 2005/04/22 20:54:43 albertel Exp $
+# $Id: lonroles.pm,v 1.120 2005/06/05 07:10:32 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -39,6 +39,7 @@ use Apache::loncommon;
 use Apache::lonhtmlcommon;
 use Apache::lonannounce;
 use Apache::lonlocal;
+use GDBM_File;
 
 sub redirect_user {
     my ($r,$title,$url,$msg,$launch_nav) = @_;
@@ -338,7 +339,18 @@ ENDHEADER
         $r->print("<hr><pre>Access  : ".
                   Apache::lonnet::plaintext($priv)."\n");
         $r->print("Resource: ".&Apache::lonenc::check_encrypt($fn)."\n");
-        $r->print("Action  : $msg\n</pre><hr>");
+        $r->print("Action  : $msg\n</pre><hr />");
+	my $url=$fn;
+	my $last;
+	if (tie(my %hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db',
+		&GDBM_READER(),0640)) {
+	    $last=$hash{'last_known'};
+	    untie(%hash);
+	}
+	if ($last) { $fn.='?symb='.&Apache::lonnet::escape($last); }
+
+	&Apache::londocs::changewarning($r,undef,'You have modified your course recently, [_1] may fix this access problem.',
+					&Apache::lonenc::check_encrypt($fn));
     } else {
         if ($env{'user.error.msg'}) {
 	    $r->print(