Merge pull request #3 from vaimo/KUSTOM-20-fix-broken-merchant-portal-link

KUSTOM-20 Broken portal link fixed

Author: sadiqvaimo

CHANGELOG.md

@@ -3,6 +3,7 @@
 
   * KUSTOM-55 Fix missing error message when Klarna API exception is thrown
   * KUSTOM-68 Fix guzzlehttp/guzzle compatibility issue for magento <2.4.5
+  * KUSTOM-20 Fix broken merchant portal link in order detail page
 
 11.0.15 / 2026-02-18
 ==================

Model/System/MerchantPortal.php

@@ -50,7 +50,7 @@ public function getOrderMerchantPortalLink(MageOrder $mageOrder, KlarnaOrder $kl
 
         $isTest = $this->apiConfiguration->isTestMode($store, $currency);
         $portalBaseUrl = $isTest ? self::MERCHANT_TEST_PORTAL : self::MERCHANT_PORTAL;
-        $merchantId = $this->apiConfiguration->getUserName($store, $currency);
+        $merchantId = $this->apiConfiguration->getClientIdentifier($store, $currency);
 
         return $portalBaseUrl .
             "orders/list/" .