Unexpected error happened

This is the rescue page. See the exception details below

InvalidOperationException

Message:


Sequence contains no elements

StackTrace:


   
---at System.Linq.Enumerable.First[TSource](IEnumerable`1 source)
---at StateTheater.Component.CalendarComponent.Render()
---at Castle.MonoRail.Framework.Views.NVelocity.CustomDirectives.AbstractComponentDirective.Render(IInternalContextAdapter context, TextWriter writer, INode node)
---at NVelocity.Runtime.Parser.Node.ASTDirective.Render(IInternalContextAdapter context, TextWriter writer)
---at NVelocity.Runtime.Parser.Node.SimpleNode.Render(IInternalContextAdapter context, TextWriter writer)
---at NVelocity.Template.Merge(IContext context, TextWriter writer)
---at Castle.MonoRail.Framework.Views.NVelocity.NVelocityViewEngine.Process(String viewName, TextWriter output, IEngineContext context, IController controller, IControllerContext controllerContext)
---at Castle.MonoRail.Framework.Services.DefaultViewEngineManager.Process(String templateName, TextWriter output, IEngineContext context, IController controller, IControllerContext controllerContext)
---at Castle.MonoRail.Framework.Controller.ProcessView()
---at Castle.MonoRail.Framework.Controller.RunActionAndRenderView()