Server Error in '/UserGroups' Application.

Login failed for user ''. The user is not associated with a trusted SQL Server connection.

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.

Exception Details: System.Data.SqlClient.SqlException: Login failed for user ''. The user is not associated with a trusted SQL Server connection.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:


[SqlException (0x80131904): Login failed for user ''. The user is not associated with a trusted SQL Server connection.]
   Utility.GetAllUserNamesForValidation() +194
   ASP.global_asax.Application_Start(Object sender, EventArgs e) +85

[HttpException (0x80004005): Login failed for user ''. The user is not associated with a trusted SQL Server connection.]
   System.Web.HttpApplicationFactory.EnsureAppStartCalledForIntegratedMode(HttpContext context, HttpApplication app) +418
   System.Web.HttpApplication.RegisterEventSubscriptionsWithIIS(IntPtr appContext, HttpContext context, MethodInfo[] handlers) +194
   System.Web.HttpApplication.InitSpecial(HttpApplicationState state, MethodInfo[] handlers, IntPtr appContext, HttpContext context) +176
   System.Web.HttpApplicationFactory.GetSpecialApplicationInstance(IntPtr appContext, HttpContext context) +204
   System.Web.Hosting.PipelineRuntime.InitializeApplication(IntPtr appContext) +213

[HttpException (0x80004005): Login failed for user ''. The user is not associated with a trusted SQL Server connection.]
   System.Web.HttpRuntime.FirstRequestInit(HttpContext context) +403
   System.Web.HttpRuntime.EnsureFirstRequestInit(HttpContext context) +100
   System.Web.HttpRuntime.ProcessRequestNotificationPrivate(IIS7WorkerRequest wr, HttpContext context) +606


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.9224.0