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  • Terry Clancy 202 posts 929 karma points
    Aug 06, 2020 @ 20:10
    Terry Clancy
    0

    Umbraco.core.pdb not loaded; Null Reference Exception at: Umbraco.Core.ObjectExtensions.TryConvertTo[T](Object input)

    Hi all :-)

    I am running Umbraco version 7.5.10 assembly: 1.0.6261.14290 (with uCommerce) and am getting the following error running in VS Debug mode:

    Umbraco.core.pdb not loaded
    

    With this Exception

    System.NullReferenceException
      HResult=0x80004003
      Message=Object reference not set to an instance of an object.
      Source=Umbraco.Core
      StackTrace:
       at Umbraco.Core.ObjectExtensions.TryConvertTo[T](Object input)
    

    And this Call Stack

    >   Umbraco.Core.dll!Umbraco.Core.ObjectExtensions.TryConvertTo<bool>(object input) Unknown
        UmbracoIdentity.dll!UmbracoIdentity.FixAsyncActionInvokerStartupHandler.ApplicationStarting(Umbraco.Core.UmbracoApplicationBase umbracoApplication, Umbraco.Core.ApplicationContext applicationContext) Line 18 C#
        Umbraco.Core.dll!Umbraco.Core.ApplicationEventHandler.OnApplicationStarting(Umbraco.Core.UmbracoApplicationBase umbracoApplication, Umbraco.Core.ApplicationContext applicationContext) Unknown
        Umbraco.Core.dll!Umbraco.Core.CoreBootManager.Startup.AnonymousMethod__8(Umbraco.Core.IApplicationEventHandler x)   Unknown
        Umbraco.Core.dll!Umbraco.Core.EnumerableExtensions.ForEach<Umbraco.Core.IApplicationEventHandler>(System.Collections.Generic.IEnumerable<Umbraco.Core.IApplicationEventHandler> items, System.Action<Umbraco.Core.IApplicationEventHandler> action) Unknown
        Umbraco.Core.dll!Umbraco.Core.CoreBootManager.Startup(System.Action<Umbraco.Core.ApplicationContext> afterStartup)  Unknown
        Umbraco.Core.dll!Umbraco.Core.UmbracoApplicationBase.StartApplication(object sender, System.EventArgs e)    Unknown
        [Native to Managed Transition]  
        [Managed to Native Transition]  
        System.Web.dll!System.Web.HttpApplication.InvokeMethodWithAssert(System.Reflection.MethodInfo method, int paramCount, object eventSource, System.EventArgs eventArgs)   Unknown
        System.Web.dll!System.Web.HttpApplication.ProcessSpecialRequest(System.Web.HttpContext context, System.Reflection.MethodInfo method, int paramCount, object eventSource, System.EventArgs eventArgs, System.Web.SessionState.HttpSessionState session)  Unknown
        System.Web.dll!System.Web.HttpApplicationFactory.EnsureAppStartCalledForIntegratedMode(System.Web.HttpContext context, System.Web.HttpApplication app)  Unknown
        System.Web.dll!System.Web.HttpApplication.RegisterEventSubscriptionsWithIIS(System.IntPtr appContext, System.Web.HttpContext context, System.Reflection.MethodInfo[] handlers)  Unknown
        System.Web.dll!System.Web.HttpApplication.InitSpecial(System.Web.HttpApplicationState state, System.Reflection.MethodInfo[] handlers, System.IntPtr appContext, System.Web.HttpContext context) Unknown
        System.Web.dll!System.Web.HttpApplicationFactory.GetSpecialApplicationInstance(System.IntPtr appContext, System.Web.HttpContext context)    Unknown
        System.Web.dll!System.Web.Hosting.PipelineRuntime.InitializeApplication(System.IntPtr appContext)   Unknown
        [AppDomain Transition]  
    

    I am not even sure where to start in debugging this - any assistance would be greatly appreciated !

    Terry Clancy ClanceZ

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