From 76e5b4713a4673663de7f982e9f634915e67c837 Mon Sep 17 00:00:00 2001
From: Jan-Hendrik Willms <tleilax+studip@gmail.com>
Date: Wed, 4 Mar 2026 12:26:39 +0100
Subject: check if the module could actually be loaded, re #6260

---
 lib/plugins/engine/PluginEngine.php | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/lib/plugins/engine/PluginEngine.php b/lib/plugins/engine/PluginEngine.php
index f6cb832..dbeeb73 100644
--- a/lib/plugins/engine/PluginEngine.php
+++ b/lib/plugins/engine/PluginEngine.php
@@ -59,10 +59,14 @@ class PluginEngine
                     if ($plugin_manager->isPluginActivated($id, $context_id)) {
                         $navigation = Navigation::getItem('/course');
                         $module = $plugin_manager->getPluginById($id);
-                        $tabs = $module->getTabNavigation($context_id);
 
-                        if ($navigation && $tabs) {
-                            $navigation->addToolNavigation($id, $tabs);
+                        if ($module) {
+                            /** @var StudipModule $module */
+                            $tabs = $module->getTabNavigation($context_id);
+
+                            if ($navigation && $tabs) {
+                                $navigation->addToolNavigation($id, $tabs);
+                            }
                         }
                     }
                 }
-- 
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