From ddb70d8c170957d0fbf0dd6fcd42a1662a819615 Mon Sep 17 00:00:00 2001
From: Melanie Treitinger <66598405+melanietreitinger@users.noreply.github.com>
Date: Mon, 4 Dec 2023 17:17:04 +0100
Subject: [PATCH] Add check if process exists. (#191)

This prevents courses to be processed which had been rescued by the teacher.
---
 step/email/lib.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/step/email/lib.php b/step/email/lib.php
index cb1e4db1..8ade151c 100644
--- a/step/email/lib.php
+++ b/step/email/lib.php
@@ -88,7 +88,7 @@ public function process_course($processid, $instanceid, $course) {
     public function process_waiting_course($processid, $instanceid, $course) {
         // When time runs up and no one wants to keep the course, then proceed.
         $process = process_manager::get_process_by_id($processid);
-        if ($process->timestepchanged < time() - settings_manager::get_settings(
+        if (null !== $process && $process->timestepchanged < time() - settings_manager::get_settings(
                 $instanceid,
                 settings_type::STEP
                 )['responsetimeout']) {