Improved error handling.

app/assets/javascripts/app/controllers/_application_controller_generic.coffee

@@ -846,7 +846,6 @@ class App.CollectionController extends App.Controller
     @lastOrder = newOrder
 
   collectionSync: (items, type) =>
-    console.log('collectionSync', items, type)
 
     # remove items
     if type is 'destroy'
@@ -1031,7 +1030,6 @@ class App.CollectionController extends App.Controller
       position = item.meta_position
       if itemCount > position
         position += 1
-      console.log('!el', item, position, item.meta_position, @el.find(".js-item:nth-child(#{position})"))
       element = @el.find(".js-item:nth-child(#{position})")
       if @insertPosition is 'before'
         element.before(html)

app/assets/javascripts/app/models/ticket.coffee

@@ -67,6 +67,7 @@ class App.Ticket extends App.Model
     "task-state-#{ @getState() }-color"
 
   iconActivity: (user) ->
+    return if !user
     if @owner_id == user.id
       return 'important'
     ''
@@ -79,6 +80,7 @@ class App.Ticket extends App.Model
     iconClass:  @getState()
 
   activityMessage: (item) ->
+    return if !item
     if item.type is 'create'
       return App.i18n.translateContent('%s created Ticket |%s|', item.created_by.displayName(), item.title)
     else if item.type is 'update'

app/assets/javascripts/app/models/ticket_article.coffee

@@ -34,12 +34,14 @@ class App.TicketArticle extends App.Model
     '???'
 
   iconActivity: (user) ->
+    return if !user
     ticket = App.Ticket.find(@ticket_id)
     if ticket.owner_id == user.id
       return 'important'
     ''
 
   activityMessage: (item) ->
+    return if !item
     if item.type is 'create'
       return App.i18n.translateContent('%s created Article for |%s|', item.created_by.displayName(), item.title)
     else if item.type is 'update'

test/browser/agent_ticket_actions_level2_test.rb

@@ -249,7 +249,7 @@ class AgentTicketActionsLevel2Test < TestCase
     ticket_update(
       browser: browser1,
       data: {
-        body: 'some update 4711',
+        body: 'some update 4711/2',
       },
     )
     sleep 4