From e132aa26d50fa8e5f20cdb9a5f4d13983185fc41 Mon Sep 17 00:00:00 2001
From: raortegar <raquel.ortega@moodle.com>
Date: Tue, 20 May 2025 11:08:12 +0200
Subject: [PATCH] MDL-74900 core_course: Exception in module deletion if
 missing instance

---
 course/lib.php | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/course/lib.php b/course/lib.php
index 53b2c002025..c7b3c203916 100644
--- a/course/lib.php
+++ b/course/lib.php
@@ -763,6 +763,11 @@ function course_delete_module($cmid, $async = false) {
         }
     }
 
+    if (empty($cm->instance)) {
+        throw new moodle_exception('cannotdeletemodulemissinginstance', '', '', null,
+            "Cannot delete course module with ID $cm->id because it does not have a valid activity instance.");
+    }
+
     // Call the delete_instance function, if it returns false throw an exception.
     if (!$deleteinstancefunction($cm->instance)) {
         throw new moodle_exception('cannotdeletemoduleinstance', '', '', null,