Fix landing page by setting a default value for countriesOfSubscribers

* Set default value for countriesOfSubscribers

* Update changelog

CHANGELOG.md

@@ -12,6 +12,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Upgraded `chart.js` from version `4.0.1` to `4.2.0`
 - Upgraded `prettier` from version `2.8.1` to `2.8.4`
 
+### Fixed
+
+- Fixed an issue on the landing page caused by the global heat map of subscribers
+
 ## 1.233.0 - 2023-02-09
 
 ### Added

apps/client/src/app/pages/landing/landing-page.component.ts

@@ -52,8 +52,11 @@ export class LandingPageComponent implements OnDestroy, OnInit {
     private dataService: DataService,
     private deviceService: DeviceDetectorService
   ) {
-    const { countriesOfSubscribers, globalPermissions, statistics } =
-      this.dataService.fetchInfo();
+    const {
+      countriesOfSubscribers = [],
+      globalPermissions,
+      statistics
+    } = this.dataService.fetchInfo();
 
     for (const country of countriesOfSubscribers) {
       this.countriesOfSubscribersMap[country] = {