From 52d1b6276d55d255760f3f7c3874e9670b4585c3 Mon Sep 17 00:00:00 2001
From: "James A. Petts" <jamesapetts@gmail.com>
Date: Wed, 20 May 2020 12:59:10 +0100
Subject: [PATCH] Add in checks.

---
 extensions/default/src/Panels/PanelStudyBrowser.jsx | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/extensions/default/src/Panels/PanelStudyBrowser.jsx b/extensions/default/src/Panels/PanelStudyBrowser.jsx
index 18a69f6ac..d54ecdd2d 100644
--- a/extensions/default/src/Panels/PanelStudyBrowser.jsx
+++ b/extensions/default/src/Panels/PanelStudyBrowser.jsx
@@ -78,6 +78,10 @@ function PanelStudyBrowser({
         s => s.studyInstanceUid === displaySet.StudyInstanceUID
       );
 
+      if (!study) {
+        return;
+      }
+
       displaySet.imageSrc = thumbnailImageSrcMap.get(
         displaySet.displaySetInstanceUID
       );