diff --git a/backend/utils/common.js b/backend/utils/common.js
index 455bc5ea..0c6b37ef 100644
--- a/backend/utils/common.js
+++ b/backend/utils/common.js
@@ -69,7 +69,7 @@ export class CommonService {
             if (config.secret2FA === this.appConfig.secret2FA) {
                 config.secret2FA = this.appConfig.secret2FA;
             }
-            const appConfigNodes = new Map(this.appConfig.nodes?.map((node) => [node.index, node]));
+            const appConfigNodes = new Map(this.appConfig.nodes?.map((node) => [node.index, node]) || []);
             config.nodes?.forEach((node) => {
                 const appConfigNode = appConfigNodes.get(node.index);
                 if (appConfigNode?.authentication) {
diff --git a/server/utils/common.ts b/server/utils/common.ts
index 53c27b57..685f6656 100644
--- a/server/utils/common.ts
+++ b/server/utils/common.ts
@@ -78,7 +78,7 @@ export class CommonService {
     if (config.secret2FA === this.appConfig.secret2FA) {
       config.secret2FA = this.appConfig.secret2FA;
     }
-    const appConfigNodes = new Map(this.appConfig.nodes?.map((node) => [node.index, node]));
+    const appConfigNodes = new Map(this.appConfig.nodes?.map((node) => [node.index, node]) || []);
     config.nodes?.forEach((node) => {
       const appConfigNode = appConfigNodes.get(node.index);
       if (appConfigNode?.authentication) {