From 10dbc2358c3604ef0ef3f7a6d0d1e5f2c904af6f Mon Sep 17 00:00:00 2001
From: Jon Uhlmann <account@uhlmann.pro>
Date: Mon, 27 Jun 2022 18:33:42 +0200
Subject: [PATCH] BUGFIX: Run unregisterUsageInNode only if
 $targetPropertyValue is set

---
 Classes/Service/AssetIntegrationService.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Classes/Service/AssetIntegrationService.php b/Classes/Service/AssetIntegrationService.php
index 33b2ffd..06eae09 100644
--- a/Classes/Service/AssetIntegrationService.php
+++ b/Classes/Service/AssetIntegrationService.php
@@ -202,7 +202,9 @@ public function beforeNodePublishing(NodeInterface $node, Workspace $targetWorks
             // Unregister the asset stored in the target node, the assets will be registered again after publishing
             if ($targetNode && $targetNode->hasProperty($propertyName)) {
                 $targetPropertyValue = $targetNode->getProperty($propertyName);
-                $this->unregisterUsageInNode($targetNode, $targetPropertyValue, false);
+                if ($targetPropertyValue) {
+                    $this->unregisterUsageInNode($targetNode, $targetPropertyValue, false);
+                }
             }
             $this->unregisterUsageInNode($node, $propertyValue, false);
         }