что влияет на экономическую эффективность

System.Web.UI.MasterPage.ApplyMasterRecursive(MasterPage master, IList appliedMasterFilePaths) +18

System.Web.UI.MasterPage.get_Master() +39

System.Web.UI.MasterPage.CreateMaster(TemplateControl owner, HttpContext context, VirtualPath masterPageFile, IDictionary contentTemplateCollection) +8689951

System.Web.UI.UserControl.InitializeAsUserControlInternal() +35

ASP.masterpage_master.FrameworkInitialize() in d:\hst\itmcompany-ru_fa1d0da3\http\MasterPage.master.vb:912308

ASP.masterpage_master.__BuildControlTree(masterpage_master __ctrl) in d:\hst\itmcompany-ru_fa1d0da3\http\MasterPage.master:1

System.Web.UI.Control.System.Web.UI.IParserAccessor.AddParsedSubObject(Object obj) +10

System.Web.UI.Control.AddParsedSubObject(Object obj) +41

System.Web.UI.ControlCollection.Add(Control child) +80

MasterPage2.AddedControl(Control control, Int32 index) in d:\hst\itmcompany-ru_fa1d0da3\http\MasterPage.master.vb:27

[NullReferenceException: Object reference not set to an instance of an object.]

Source File: d:\hst\itmcompany-ru_fa1d0da3\http\MasterPage.master.vb    Line: 27

Line 28: Me.Page.ClientTarget = "uplevel"

Line 27: If (Request.ServerVariables("http_user_agent").IndexOf("Safari", StringComparison.CurrentCultureIgnoreCase) <> -1) Then

Line 26: Protected Overrides Sub AddedControl(ByVal control As System.Web.UI.Control, ByVal index As Integer)

Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Object reference not set to an instance of an object.

Server Error in '/' Application.

Object reference not set to an instance of an object.