Getting an "Object reference not set to an instance of an object" error when clicking Pages - Bugs & Issues - Bugs & Issues - Progress Community

Getting an "Object reference not set to an instance of an object" error when clicking Pages

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Getting an "Object reference not set to an instance of an object" error when clicking Pages

  • Getting an "Object reference not set to an instance of an object" error when clicking Pages
  • When in the backend and I click "Pages", I get a JavaScript alert with the error "Object reference not set to an instance of an object". The list of pages will not display and the loading icon plays indefinitely. This error just randomly starting happening. Any thoughts?

    Here is a screencast -

    Here is the error log output - 

    Timestamp: 4/13/2016 9:48:39 PM

    Message: HandlingInstanceID: 6a5bcd76-8df4-478a-be05-51e84a78130f
    An exception of type 'System.NullReferenceException' occurred and was caught.
    04/13/2016 17:48:39
    Type : System.NullReferenceException, mscorlib, Version=, Culture=neutral, PublicKeyToken=b77a5c561934e089
    Message : Object reference not set to an instance of an object.
    Source : Telerik.Sitefinity
    Help link : 
    Data : System.Collections.ListDictionaryInternal
    TargetSite : System.String GetParsedWorkflowStatus(Telerik.Sitefinity.IWorkflowItem, System.Globalization.CultureInfo, Telerik.Sitefinity.ILstring)
    HResult : -2147467261
    Stack Trace :    at Telerik.Sitefinity.WorkflowItemExtensions.GetParsedWorkflowStatus(IWorkflowItem workflowItem, CultureInfo culture, ILstring state)
       at Telerik.Sitefinity.Web.PageDataProxy.get_WorkflowStatusKey()
       at Telerik.Sitefinity.Modules.Pages.Web.Services.Model.PageViewModel.SetPageStatusText(PageSiteNode node, PageDataProxy data)
       at Telerik.Sitefinity.Modules.Pages.Web.Services.Model.PageViewModel..ctor(PageSiteNode siteNode, Boolean excludeDecisions)
       at Telerik.Sitefinity.Modules.Pages.Web.Services.PagesService.GetPagesAsTreeFromSitemap(String[] leafIds, String provider, Int32 nodesLimit, Int32 perLevelLimit, Int32 perSubtreeLimit, Int32 subtreesLimit, String root)
       at SyncInvokeGetPagesAsTree(Object , Object[] , Object[] )
       at System.ServiceModel.Dispatcher.SyncMethodInvoker.Invoke(Object instance, Object[] inputs, Object[]& outputs)
       at System.ServiceModel.Dispatcher.DispatchOperationRuntime.InvokeBegin(MessageRpc& rpc)
       at System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage5(MessageRpc& rpc)
       at System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage31(MessageRpc& rpc)
       at System.ServiceModel.Dispatcher.MessageRpc.Process(Boolean isOperationContextSet)

    Additional Info:

    MachineName : SERVER01
    TimeStamp : 4/13/2016 9:48:39 PM
    FullName : Telerik.Sitefinity.Utilities, Version=7.2.5310.0, Culture=neutral, PublicKeyToken=b28c218413bdf563
    AppDomainName : /LM/W3SVC/1/ROOT-1-131050557096132000
    ThreadIdentity : 
    WindowsIdentity : IIS APPPOOL\Website
    Requested URL : http://<urlremovedforpost>.com/Sitefinity/Services/Pages/PagesService.svc/tree/?root=f669d9a7-009d-4d83-ddaa-000000000002&hierarchyMode=true&provider=

    Category: ErrorLog

    Priority: 0

    EventId: 90000

    Severity: Error

    Title:Enterprise Library Exception Handling

    Machine: SERVER01

    App Domain: /LM/W3SVC/1/ROOT-1-131050557096132000

    ProcessId: 2564

    Process Name: c:\windows\system32\inetsrv\w3wp.exe

    Thread Name: 

    Win32 ThreadId:5912

    Extended Properties: 

  • Hi,

    Refer to this KB article to resolve the issue.

    Stanislav Velikov
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