From 7f64e16d8f2da4c6495a3bd5ca812900c174f41f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn=20Fromme?= <fromme@dreipunktnull.com>
Date: Tue, 14 Sep 2021 14:47:58 +0200
Subject: [PATCH] Avoid null-pointer exception

---
 .../ext/ep_products/Classes/Controller/ConceptController.php  | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/public/typo3conf/ext/ep_products/Classes/Controller/ConceptController.php b/public/typo3conf/ext/ep_products/Classes/Controller/ConceptController.php
index 7e49d253..2fee84c6 100644
--- a/public/typo3conf/ext/ep_products/Classes/Controller/ConceptController.php
+++ b/public/typo3conf/ext/ep_products/Classes/Controller/ConceptController.php
@@ -67,7 +67,9 @@ class ConceptController extends ActionController
             $concept = $this->conceptRepository->findByIdentifier($conceptUid);
         }
         $teaserConceptUids = GeneralUtility::trimExplode(',', $this->settings['additionalConceptUids']);
-        array_unshift($teaserConceptUids, $concept->getUid());
+        if (null !== $concept) {
+            array_unshift($teaserConceptUids, $concept->getUid());
+        }
         $filterSettings = new FilterSettings();
         $filterSettings->setConceptUids($teaserConceptUids);
         $excludedConceptUids = GeneralUtility::trimExplode(',', $this->settings['excludedConceptUids'], true);