From f8b4ccbb59a516a73cdfe987edd3e5359e5fd1ae Mon Sep 17 00:00:00 2001
From: Davide Punzo <punzodavide@hotmail.it>
Date: Fri, 22 Apr 2022 10:53:01 +0200
Subject: [PATCH] IDC: Fix undefined return in getDerivedDatasets (#2784)

---
 .../core/src/classes/metadata/StudyMetadata.js     | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/platform/core/src/classes/metadata/StudyMetadata.js b/platform/core/src/classes/metadata/StudyMetadata.js
index 811e7fcd8..f99651937 100644
--- a/platform/core/src/classes/metadata/StudyMetadata.js
+++ b/platform/core/src/classes/metadata/StudyMetadata.js
@@ -340,10 +340,18 @@ class StudyMetadata extends Metadata {
     if (referencedSeriesInstanceUID) {
       filteredDerivedDisplaySets = filteredDerivedDisplaySets.filter(
         displaySet => {
-          return (
-            StudyMetadata.getReferencedDisplaySet(displaySet, [this])
-              .SeriesInstanceUID === referencedSeriesInstanceUID
+          const referencedDisplaySet = StudyMetadata.getReferencedDisplaySet(
+            displaySet,
+            [this]
           );
+          if (referencedDisplaySet) {
+            return (
+              referencedDisplaySet.SeriesInstanceUID ===
+              referencedSeriesInstanceUID
+            );
+          } else {
+            return false;
+          }
         }
       );
     }