--- loncom/auth/lonacc.pm	2004/12/28 20:18:38	1.57
+++ loncom/auth/lonacc.pm	2004/12/28 20:28:55	1.58
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Cookie Based Access Handler
 #
-# $Id: lonacc.pm,v 1.57 2004/12/28 20:18:38 albertel Exp $
+# $Id: lonacc.pm,v 1.58 2004/12/28 20:28:55 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -138,10 +138,9 @@ sub handler {
                     }
                 } else {
 	            $symb=&Apache::lonnet::symbread($requrl);
-		    if (&Apache::lonnet::is_on_map($requrl) &&
+		    if (&Apache::lonnet::is_on_map($requrl) && $symb &&
 			!&Apache::lonnet::symbverify($symb,$requrl)) {
-			$r->log_reason('Invalid symb for '.$requrl.': '.
-                                       $symb);
+			$r->log_reason('Invalid symb for '.$requrl.': '.$symb);
 		        $ENV{'user.error.msg'}=
                                 "$requrl:bre:1:1:Invalid Access";
   	                return HTTP_NOT_ACCEPTABLE;