diff --git a/frontend/src/ts/modules/security/guard/auth.guard.ts b/frontend/src/ts/modules/security/guard/auth.guard.ts
index 6eebae4..80095f3 100644
--- a/frontend/src/ts/modules/security/guard/auth.guard.ts
+++ b/frontend/src/ts/modules/security/guard/auth.guard.ts
@@ -3,6 +3,7 @@ import {ActivatedRouteSnapshot, CanActivate, Router, RouterStateSnapshot} from "
 import {Observable} from "rxjs";
 import {HttpClient, HttpParams} from "@angular/common/http";
 import {CookieService} from "ngx-cookie";
+import {MessagesService} from "@webbpm/base-package";
 
 @Injectable({providedIn:'root'})
 export abstract class AuthGuard implements CanActivate {
@@ -10,7 +11,8 @@ export abstract class AuthGuard implements CanActivate {
   protected constructor(
       protected router: Router,
       private httpClient: HttpClient,
-      private cookieService: CookieService
+      private cookieService: CookieService,
+      private messageService: MessagesService
   ) {
   }
 
@@ -28,7 +30,9 @@ export abstract class AuthGuard implements CanActivate {
         return true;
       }
       else if (error) {
-        throw new Error(error + ', error description =' + errorDescription);
+        let errorMessage = error + ', error description =' + errorDescription;
+        this.messageService.error(errorMessage)
+        throw new Error(errorMessage);
       }
       else if (code) {
         const params = new HttpParams().set('code', code);