From 9b4f5d2fe121cd9332031abbf540d9a845cfc55d Mon Sep 17 00:00:00 2001
From: "github-actions[bot]"
 <41898282+github-actions[bot]@users.noreply.github.com>
Date: Mon, 23 Oct 2023 11:51:47 +0200
Subject: [PATCH] JBPM-10193 UI error: unexpected system error occurred when
 access Form asset and also Task form which have listbox component (#3819)
 (#3821)

Co-authored-by: Bai Xiaofeng <bxf12315@gmail.com>
---
 .../rendering/renderers/selectors/SelectorFieldRenderer.java  | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/kie-wb-common-forms/kie-wb-common-dynamic-forms/kie-wb-common-dynamic-forms-client/src/main/java/org/kie/workbench/common/forms/dynamic/client/rendering/renderers/selectors/SelectorFieldRenderer.java b/kie-wb-common-forms/kie-wb-common-dynamic-forms/kie-wb-common-dynamic-forms-client/src/main/java/org/kie/workbench/common/forms/dynamic/client/rendering/renderers/selectors/SelectorFieldRenderer.java
index 92d3d8d1d1c..74b7b37d542 100644
--- a/kie-wb-common-forms/kie-wb-common-dynamic-forms/kie-wb-common-dynamic-forms-client/src/main/java/org/kie/workbench/common/forms/dynamic/client/rendering/renderers/selectors/SelectorFieldRenderer.java
+++ b/kie-wb-common-forms/kie-wb-common-dynamic-forms/kie-wb-common-dynamic-forms-client/src/main/java/org/kie/workbench/common/forms/dynamic/client/rendering/renderers/selectors/SelectorFieldRenderer.java
@@ -66,7 +66,9 @@ public void refreshSelectorOptions() {
                 backendSelectorDataProviderService.call(new RemoteCallback<SelectorData>() {
                     @Override
                     public void callback(SelectorData data) {
-                        refreshSelectorOptions(data);
+                        if (data.getValues() != null) {
+                            refreshSelectorOptions(data);
+                        }
                     }
                 }).getDataFromProvider(renderingContext,
                                        field.getDataProvider());