diff --git a/booking.variety_admin.inc b/booking.variety_admin.inc
index 0f7682a..5757d37 100644
--- a/booking.variety_admin.inc
+++ b/booking.variety_admin.inc
@@ -452,6 +452,8 @@ function booking_variety_sessions_view_summary() {
     array(':eid' => $event->eid));
   $sessions = $sessions_query->fetchAllAssoc('vid');  
 
+  watchdog('booking_debug', "<pre>Variety Session Report sessions:\n@info</pre>", array('@info' => print_r( $sessions, true)));
+
   foreach ($timeslot_list as $timeslot) {
     $header[] = $timeslot->booking_variety_time_descrip;
   }
@@ -468,8 +470,13 @@ function booking_variety_sessions_view_summary() {
     foreach ($timeslot_list as $timeslot) {
       if (isset($session_ids[$timeslot->tid])) {
         //get details of the person's variety session for this timeslot
-        $sid = $session_ids[$timeslot->tid];
-        $text = $sessions[$sid]->booking_variety_descrip;
+        $vid = $session_ids[$timeslot->tid];
+
+        watchdog('booking_debug', 'Person @nid in timeslot @tid registered for session id @vid', array(
+          '@nid' => $person->nid, '@tid' => $timeslot->tid, '@vid' => $vid,
+        ));
+
+        $text = $sessions[$vid]->booking_variety_descrip;
         $newline[] = $text;
       }
       else {