From f67ebb0856f7f5ae81613eb20d4b3205b98fe767 Mon Sep 17 00:00:00 2001
From: Dan Marsden <dan@danmarsden.com>
Date: Fri, 1 Sep 2017 13:02:04 +1200
Subject: [PATCH] Fixes #270 - allow activity level warnings to be deleted.

---
 warnings.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/warnings.php b/warnings.php
index a8462c5..74518a2 100644
--- a/warnings.php
+++ b/warnings.php
@@ -144,9 +144,9 @@ if ($action == 'delete' && !empty($notid)) {
     } else {
         require_sesskey();
         $params = array('id' => $notid);
-        if (!empty($id)) {
+        if (!empty($att)) {
             // Add id/level to array.
-            $params['idnumber'] = $id;
+            $params['idnumber'] = $att->id;
         }
         $DB->delete_records('attendance_warning', $params);
         echo $OUTPUT->notification(get_string('warningdeleted', 'mod_attendance'), 'success');