Fix - Check method existence before calling uninstall on custom assets (#460)

* Fix - Check method existence before calling uninstall on custom assets

* Update CHANGELOG

Author: RomainLvr

CHANGELOG.md

@@ -8,6 +8,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 ## [Unreleased] - XXXX-XX-XX
 
 - Fix Twig error on migration_status page
+- Check method existence before calling uninstall on custom assets
 
 ## [3.0.0 End-of-Life Updater] - 2025-30-09
 

hook.php

@@ -91,7 +91,7 @@ function plugin_genericobject_uninstall()
     //For each type
     foreach (PluginGenericobjectType::getTypes(true) as $tmp => $value) {
         $itemtype = $value['itemtype'];
-        if (class_exists($itemtype)) {
+        if (class_exists($itemtype) && method_exists($itemtype, 'uninstall')) {
             $itemtype::uninstall();
         }
     }