--- mod/quiz/report/overview/Copy of report.php	Tue Aug 26 16:18:35 2008
+++ mod/quiz/report/overview/report.php	Tue Aug 26 16:19:38 2008
@@ -561,7 +561,7 @@
         }
         $delsql = "DELETE FROM {$CFG->prefix}quiz_question_regrade WHERE attemptid IN
                 (SELECT uniqueid FROM {$CFG->prefix}quiz_attempts WHERE $where quiz = $quiz->id)";
-        if (!execute_sql($delsql)){
+        if (!execute_sql($delsql, false)){
             print_error('err_failedtodeleteregrades', 'quiz_overview');
         }
     }
@@ -585,7 +585,7 @@
             $attemptsql .= "{$CFG->prefix}quiz_attempts.uniqueid $asql";
         }
         $sql .= $attemptsql;
-        if (!execute_sql($sql)) {
+        if (!execute_sql($sql, false)) {
             print_error('err_failedtorecalculateattemptgrades', 'quiz_overview');
         }