From f326fb12f60430488bbdc4cb0af75121386693ee Mon Sep 17 00:00:00 2001
From: Martin Edenhofer <me@edenhofer.de>
Date: Tue, 7 Oct 2014 20:12:57 +0200
Subject: [PATCH] Check before destroy, if task is already stored.

---
 app/assets/javascripts/app/lib/app_post/task_manager.js.coffee | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/app/assets/javascripts/app/lib/app_post/task_manager.js.coffee b/app/assets/javascripts/app/lib/app_post/task_manager.js.coffee
index dc772333e..d6731dbb3 100644
--- a/app/assets/javascripts/app/lib/app_post/task_manager.js.coffee
+++ b/app/assets/javascripts/app/lib/app_post/task_manager.js.coffee
@@ -356,6 +356,9 @@ class _taskManagerSingleton extends App.Controller
 
     # destory task in backend
     delete @tasksToUpdate[ task.key ]
+
+    # if task isnt already stored on backend
+    return if !task.id
     App.Taskbar.destroy(task.id)
     return