From 944a06edb6745801a5d104f5db00ffe3bc62b066 Mon Sep 17 00:00:00 2001
From: Justus Dieckmann <justusdieckmann@wwu.de>
Date: Wed, 21 Feb 2024 12:34:28 +0100
Subject: [PATCH] lifecycletrigger_categories: Don't fail if category doesn't
 exist

---
 trigger/categories/lib.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/trigger/categories/lib.php b/trigger/categories/lib.php
index 97ed716f..9d0ca44c 100644
--- a/trigger/categories/lib.php
+++ b/trigger/categories/lib.php
@@ -76,6 +76,9 @@ public function get_course_recordset_where($triggerid) {
         $allcategories = [];
         foreach ($categories as $category) {
             array_push($allcategories, $category);
+            if (!isset($categoryobjects[$category])) {
+                continue;
+            }
             $children = $categoryobjects[$category]->get_all_children_ids();
             $allcategories = array_merge($allcategories, $children);
         }