diff --git a/apps/mis-web/src/pages/_app.tsx b/apps/mis-web/src/pages/_app.tsx
index 63cebfaf15..14688db570 100644
--- a/apps/mis-web/src/pages/_app.tsx
+++ b/apps/mis-web/src/pages/_app.tsx
@@ -262,14 +262,14 @@ MyApp.getInitialProps = async (appContext: AppContext) => {
     const simpleClustersInfo
       = await api.getSimpleClustersInfoFromConfigFiles({}).then((x) => x, () => ({ clustersInfo: {} }));
 
-    extra.initialSimpleClustersInfo = simpleClustersInfo?.clustersInfo;
+    extra.initialSimpleClustersInfo = simpleClustersInfo?.clustersInfo ?? {};
 
     const publicConfigClusters = extra.clusterConfigs && Object.keys(extra.clusterConfigs).length > 0 ?
       getPublicConfigClusters(extra.clusterConfigs) : getPublicConfigClusters(extra.initialSimpleClustersInfo) ?? {};
 
     const activatedClusters
     = formatActivatedClusters({
-      clustersRuntimeInfo: clustersRuntimeInfo?.results,
+      clustersRuntimeInfo: clustersRuntimeInfo?.results ?? [],
       misConfigClusters: publicConfigClusters });
 
     extra.initialActivatedClusters = activatedClusters.misActivatedClusters ?? {};
diff --git a/apps/mis-web/src/pages/api/admin/getClustersRuntimeInfo.ts b/apps/mis-web/src/pages/api/admin/getClustersRuntimeInfo.ts
index 91a4f3781b..0d20135c3d 100644
--- a/apps/mis-web/src/pages/api/admin/getClustersRuntimeInfo.ts
+++ b/apps/mis-web/src/pages/api/admin/getClustersRuntimeInfo.ts
@@ -36,6 +36,8 @@ export const GetClustersRuntimeInfoSchema = typeboxRouteSchema({
     200: Type.Object({
       results: Type.Array(ClusterRuntimeInfoSchema),
     }),
+
+    403: Type.Null(),
   },
 });
 
@@ -46,11 +48,12 @@ export default route(GetClustersRuntimeInfoSchema,
 
     // if not initialized, every one can get clustersRuntimeInfo
     if (await queryIfInitialized()) {
+
       const { token } = req.query;
       // when firstly used in getInitialProps, check the token
       // when logged in, use auth()
       const info = token ? await validateToken(token) : await auth(req, res);
-      if (!info) { return; }
+      if (!info) { return { 403: null }; }
     }
 
     const client = getClient(ConfigServiceClient);
diff --git a/apps/mis-web/src/pages/api/simpleClustersInfo.ts b/apps/mis-web/src/pages/api/simpleClustersInfo.ts
index 1df3ad4023..799ed36384 100644
--- a/apps/mis-web/src/pages/api/simpleClustersInfo.ts
+++ b/apps/mis-web/src/pages/api/simpleClustersInfo.ts
@@ -37,6 +37,8 @@ export const GetSimpleClustersInfoFromConfigFilesSchema = typeboxRouteSchema({
 
     200: Type.Object({
       clustersInfo:  Type.Record(Type.String(), SimpleClusterSchema) }),
+
+    403: Type.Null(),
   },
 });
 
@@ -47,7 +49,7 @@ export default route(GetSimpleClustersInfoFromConfigFilesSchema,
     // if not initialized, every one can getSimpleClusterInfo which includes clusterId, displayedName and priority
     if (await queryIfInitialized()) {
       const info = await auth(req, res);
-      if (!info) { return; }
+      if (!info) { return { 403: null }; }
     }
 
     const clustersFullInfo: Record<string, ClusterConfigSchema> = await getClusterConfigFiles();