diff --git a/opensearch_dashboards.json b/opensearch_dashboards.json
index bd5389b6..8d023fbe 100644
--- a/opensearch_dashboards.json
+++ b/opensearch_dashboards.json
@@ -31,3 +31,4 @@
     "opensearch-anomaly-detection"
   ]
 }
+
diff --git a/public/components/DiscoverAction/GenerateAnomalyDetector.tsx b/public/components/DiscoverAction/GenerateAnomalyDetector.tsx
index 0b93446c..357a0de6 100644
--- a/public/components/DiscoverAction/GenerateAnomalyDetector.tsx
+++ b/public/components/DiscoverAction/GenerateAnomalyDetector.tsx
@@ -99,7 +99,8 @@ function GenerateAnomalyDetector({
 
     const dataSourceId = context.indexPattern?.dataSourceRef?.id;
     const timeFieldFromIndexPattern = context.indexPattern?.timeFieldName;
-    const [categoricalFields, dateFields] = context.indexPattern?.fields.reduce(
+    const fieldsFromContext = context.indexPattern?.fields || [];
+    const [categoricalFields, dateFields] = fieldsFromContext.reduce(
         ([cFields, dFields], indexPatternField) => {
             const esType = indexPatternField.spec.esTypes?.[0];
             const name = indexPatternField.spec.name;