Error rendering template bycategory.htm
   at Vici.Mvc.Template.Render(View view)
   at Vici.Mvc.View.Render()
   at Vici.Mvc.RenderViewActionResult.Execute(HttpContextBase httpContext)
   at Vici.Mvc.MvcPageHandler.ProcessRequest(HttpContextBase httpContext)
  At line 1, column 1
Error rendering template: Exception has been thrown by the target of an invocation.
   at Vici.Core.Parser.TemplateParser.Render(CompiledTemplate compiledTemplate, IParserContext context)
   at Vici.Mvc.Template.Render(View view)
Exception has been thrown by the target of an invocation.
   at System.RuntimeMethodHandle._InvokeMethodFast(Object target, Object[] arguments, SignatureStruct& sig, MethodAttributes methodAttributes, RuntimeTypeHandle typeOwner)
   at System.RuntimeMethodHandle.InvokeMethodFast(Object target, Object[] arguments, Signature sig, MethodAttributes methodAttributes, RuntimeTypeHandle typeOwner)
   at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture, Boolean skipVisibilityChecks)
   at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
   at System.Reflection.RuntimePropertyInfo.GetValue(Object obj, BindingFlags invokeAttr, Binder binder, Object[] index, CultureInfo culture)
   at System.Reflection.RuntimePropertyInfo.GetValue(Object obj, Object[] index)
   at Vici.Core.Parser.FieldExpression.Evaluate(IParserContext context, Object newValue)
   at Vici.Core.Parser.FieldExpression.Evaluate(IParserContext context)
   at Vici.Core.Parser.Expression.Vici.Core.Parser.IExpression.Evaluate(IParserContext context)
   at Vici.Core.Parser.ExpressionWithContext.Evaluate()
   at Vici.Core.Parser.ExpressionParser.Evaluate(String s, IParserContext context, TokenPosition tokenPosition)
   at Vici.Mvc.ViciMvcTemplateConfig.EvalExpression(ExpressionParser parser, TemplateToken token, TemplateParserContext context)
   at Vici.Mvc.ViciMvcTemplateConfig.OnEvalExpression(ExpressionParser parser, TemplateToken token, IParserContext context)
   at Vici.Core.Parser.TemplateParser.OnEvalExpression(TemplateToken templateToken, IParserContext context)
   at Vici.Core.Parser.TemplateParser.BuildOutput(CompiledTemplate compiledTemplate, Dictionary`2 macros, Node rootNode, StringBuilder outputBuffer, IParserContext context)
   at Vici.Core.Parser.TemplateParser.BuildOutput(CompiledTemplate compiledTemplate, Dictionary`2 macros, Node rootNode, StringBuilder outputBuffer, IParserContext context)
   at Vici.Core.Parser.TemplateParser.Render(CompiledTemplate compiledTemplate, IParserContext context)
Object reference not set to an instance of an object.
   at forSmartCMS.Core.Post.get_CategoryUniqueId()