From f9796d430e0b9d1ab995ef035c4653d8451d76c3 Mon Sep 17 00:00:00 2001
From: Viicos <65306057+Viicos@users.noreply.github.com>
Date: Thu, 28 Mar 2024 09:07:28 +0100
Subject: [PATCH] [#4069] Fix crash when using some registration backends

:ambulance: Hotfix

Backport-of: #4074
---
 .../variables/registration/RegistrationsSummaryList.js          | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/openforms/js/components/admin/form_design/variables/registration/RegistrationsSummaryList.js b/src/openforms/js/components/admin/form_design/variables/registration/RegistrationsSummaryList.js
index 61775d1b32..a603a921ba 100644
--- a/src/openforms/js/components/admin/form_design/variables/registration/RegistrationsSummaryList.js
+++ b/src/openforms/js/components/admin/form_design/variables/registration/RegistrationsSummaryList.js
@@ -130,7 +130,7 @@ const RegistrationsSummaryList = ({variable, onFieldChange, registrationBackends
     const backendInfo = BACKEND_OPTIONS_FORMS[backend.backend];
 
     // Check if the registration backend can be configured from the variables tab...
-    const configurableFromVariables = backendInfo.configurableFromVariables;
+    const configurableFromVariables = backendInfo?.configurableFromVariables;
     if (
       (typeof configurableFromVariables === 'function' &&
         !configurableFromVariables(backend.options)) ||