X-Git-Url: https://git.treefish.org/banana.git/blobdiff_plain/3f75cb10d008938dca476577d6256765093d1932..74ec84ba871e86491a79a21b85cf37126b41cc7a:/admin/nextsession.php

diff --git a/admin/nextsession.php b/admin/nextsession.php
index ca467fd..18efdc4 100644
--- a/admin/nextsession.php
+++ b/admin/nextsession.php
@@ -4,6 +4,11 @@
   require 'include/session.inc';
   require 'include/common.inc';
 
+  if (! isset($SESSIONS_actual)) {
+    block("red", "no next session");
+    exit;
+  }
+
   block("black", "summary for session " . $SESSIONS[$SESSIONS_actual]['timestr'] . " (" . $SESSIONS[$SESSIONS_actual]['examples'] . ")");
 
   $result = $db->query("SELECT firstname, lastname, mnumber, blackboard FROM students ORDER BY lastname");