From a553409301d14a064d34b63bff0e0418f042325d 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 1/2] [#4069] Fix crash when using some registration backends

---
 .../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)) ||

From eb4c62166f2a3e294978039f320722015de7e69f Mon Sep 17 00:00:00 2001
From: Viicos <65306057+Viicos@users.noreply.github.com>
Date: Thu, 28 Mar 2024 11:19:22 +0100
Subject: [PATCH 2/2] [#4069] Tweak storybook test

---
 .../admin/form_design/variables/VariablesEditor.stories.js  | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/openforms/js/components/admin/form_design/variables/VariablesEditor.stories.js b/src/openforms/js/components/admin/form_design/variables/VariablesEditor.stories.js
index 3da2e49126..72059f130b 100644
--- a/src/openforms/js/components/admin/form_design/variables/VariablesEditor.stories.js
+++ b/src/openforms/js/components/admin/form_design/variables/VariablesEditor.stories.js
@@ -399,6 +399,12 @@ export const WithObjectsAPIAndTestRegistrationBackends = {
         name: 'Example test registration',
         options: {},
       },
+      {
+        backend: 'stuf-zds-create-zaak',
+        key: 'test_zds',
+        name: 'Example ZDS registration',
+        options: {},
+      },
     ],
     registrationPluginsVariables: [
       {