[InvalidOperationException: Sequence contains no elements]
System.Linq.Enumerable.Single(IEnumerable`1 source) +316
System.Data.Entity.Core.Objects.ELinq.<>c__14`1.<GetElementFunction>b__14_3(IEnumerable`1 sequence) +38
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) +128
System.Data.Entity.Internal.Linq.DbQueryProvider.Execute(Expression expression) +99
System.Linq.Queryable.Single(IQueryable`1 source) +211
McCracken.WebForms.Handlers.Image.ProcessRequest(HttpContext context) in C:\Users\olof\source\Workspaces\bagoose.visualstudio.com\McCracken\McCracken.WebForms\Handlers\Image.ashx.cs:69
System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +812
System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +132
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +73
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