Server Error in '/' Application.

Sequence contains no elements

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.InvalidOperationException: Sequence contains no elements

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:


[InvalidOperationException: Sequence contains no elements]
   System.Linq.Enumerable.Single(IEnumerable`1 source) +311
   System.Data.Entity.Core.Objects.ELinq.ObjectQueryProvider.<GetElementFunction>b__3(IEnumerable`1 sequence) +40
   System.Data.Entity.Core.Objects.ELinq.ObjectQueryProvider.ExecuteSingle(IEnumerable`1 query, Expression queryRoot) +60
   System.Data.Entity.Core.Objects.ELinq.ObjectQueryProvider.System.Linq.IQueryProvider.Execute(Expression expression) +113
   System.Data.Entity.Internal.Linq.DbQueryProvider.Execute(Expression expression) +113
   System.Linq.Queryable.Single(IQueryable`1 source) +211
   ABS_Play.BoatData.FillData() in \\Mac\Home\Documents\VS Projects\Visual Studio 2017\Projects\ABS_Play\ABS_Play\show_boat.aspx.vb:355
   ABS_Play.BoatData.set_ID(Int32 value) in \\Mac\Home\Documents\VS Projects\Visual Studio 2017\Projects\ABS_Play\ABS_Play\show_boat.aspx.vb:160
   ABS_Play.show_boat.Page_Load(Object sender, EventArgs e) in \\Mac\Home\Documents\VS Projects\Visual Studio 2017\Projects\ABS_Play\ABS_Play\show_boat.aspx.vb:22
   System.Web.UI.Control.OnLoad(EventArgs e) +95
   System.Web.UI.Control.LoadRecursive() +59
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +678


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.6.1590.0