From e7279c2ac3af6cbdcd6d33a8b04301a4e5688635 Mon Sep 17 00:00:00 2001
From: Farnaz Ariafar <fariafar@gmail.com>
Date: Sun, 8 Jul 2018 21:45:11 +0200
Subject: [PATCH] resolved the problem with the site hanging up

---
 app/mobile-content/achievements/achievements.component.html | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/mobile-content/achievements/achievements.component.html b/app/mobile-content/achievements/achievements.component.html
index 4b363c7eb..88262dcf9 100644
--- a/app/mobile-content/achievements/achievements.component.html
+++ b/app/mobile-content/achievements/achievements.component.html
@@ -49,7 +49,7 @@ <h2 md-line>{{ achievement.title }} ({{ achievement.status | translate }}) </h2>
             <button md-icon-button color="primary" [routerLink]="['/mobile-content/achievements/edit', achievement.id]" title="{{ 'edit' | translate }}">
                 <md-icon>edit</md-icon>
             </button>
-            <button md-icon-button click-stop-propagation color="warn" (click)="deleteAchievement(achievement)" *ngIf="!achievements.used" title="{{ 'delete' | translate }}">
+            <button md-icon-button click-stop-propagation color="warn" (click)="deleteAchievement(achievement)" *ngIf="achievements != undefined && !achievements.used" title="{{ 'delete' | translate }}">
                 <md-icon>delete_forever</md-icon>
             </button>