Umbraco 6.1.3 - Specified cast is not valid

Umbraco 6.1.3 - Specified cast is not valid

I am getting error that is "Specified cast is not valid." in umbraco 6.1.3
version. (Razor - MVC)
Page has macro that is rendering company list to the page. I am creating
company list data with ucomponents data grid component.
Also I added all error below. Why can i get this error? And how can i fix
this? I searched it but i didnt get any idea to fix.
Thanks



Server Error in '/' Application.
Specified cast is not valid.
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.InvalidCastException: Specified cast is not valid.
Source Error:
Line 7:
Line 8: <div class="interior-page-content">
Line 9: @Umbraco.RenderMacro("All-FirmaListesi", new {anaSayfa="1055"})
Line 10: </div>
Source File:
c:\inetpub\vhosts\cbmeturkey.com\httpdocs\Views\KatilimListesi.cshtml
Line: 9
Stack Trace:
[InvalidCastException: Specified cast is not valid.]
System.Data.SqlClient.SqlBuffer.get_Byte() +52
System.Data.SqlClient.SqlDataReader.GetByte(Int32 i) +62
umbraco.DataLayer.RecordsReaderAdapter`1.GetByte(String fieldName) +168
umbraco.cms.businesslogic.macro.MacroProperty.setup() +215
umbraco.cms.businesslogic.macro.MacroProperty.GetProperties(Int32
MacroId) +189
umbraco.cms.businesslogic.macro.MacroModel..ctor(Macro m) +186
umbraco.macro..ctor(String alias) +117
Umbraco.Web.UmbracoHelper.RenderMacro(String alias, IDictionary`2
parameters) +59
Umbraco.Web.UmbracoHelper.RenderMacro(String alias, Object parameters) +47
ASP._Page_Views_KatilimListesi_cshtml.Execute() in
c:\inetpub\vhosts\cbmeturkey.com\httpdocs\Views\KatilimListesi.cshtml:9
System.Web.WebPages.WebPageBase.ExecutePageHierarchy() +199
System.Web.Mvc.WebViewPage.ExecutePageHierarchy() +104
System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext
pageContext, TextWriter writer, WebPageRenderingBase startPage) +78
System.Web.Mvc.RazorView.RenderView(ViewContext viewContext, TextWriter
writer, Object instance) +257
System.Web.Mvc.BuildManagerCompiledView.Render(ViewContext viewContext,
TextWriter writer) +107
StackExchange.Profiling.MVCHelpers.WrappedView.Render(ViewContext
viewContext, TextWriter writer) +159
System.Web.Mvc.ViewResultBase.ExecuteResult(ControllerContext context)
+291
System.Web.Mvc.ControllerActionInvoker.InvokeActionResult(ControllerContext
controllerContext, ActionResult actionResult) +13
System.Web.Mvc.<>c__DisplayClass1a.<InvokeActionResultWithFilters>b__17()
+23
System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter
filter, ResultExecutingContext preContext, Func`1 continuation) +245
System.Web.Mvc.<>c__DisplayClass1c.<InvokeActionResultWithFilters>b__19()
+22
System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter
filter, ResultExecutingContext preContext, Func`1 continuation) +245
System.Web.Mvc.<>c__DisplayClass1c.<InvokeActionResultWithFilters>b__19()
+22
System.Web.Mvc.ControllerActionInvoker.InvokeActionResultWithFilters(ControllerContext
controllerContext, IList`1 filters, ActionResult actionResult) +176
System.Web.Mvc.ControllerActionInvoker.InvokeAction(ControllerContext
controllerContext, String actionName) +311
System.Web.Mvc.<>c__DisplayClass1d.<BeginExecuteCore>b__19() +23
System.Web.Mvc.Async.<>c__DisplayClass1.<MakeVoidDelegate>b__0() +19
System.Web.Mvc.Async.<>c__DisplayClass8`1.<BeginSynchronous>b__7(IAsyncResult
_) +10
System.Web.Mvc.Async.WrappedAsyncResult`1.End() +55
System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult) +39
System.Web.Mvc.Async.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult
ar) +23
System.Web.Mvc.Async.WrappedAsyncResult`1.End() +55
System.Web.Mvc.Controller.EndExecute(IAsyncResult asyncResult) +29
System.Web.Mvc.Controller.System.Web.Mvc.Async.IAsyncController.EndExecute(IAsyncResult
asyncResult) +10
System.Web.Mvc.<>c__DisplayClass8.<BeginProcessRequest>b__3(IAsyncResult
asyncResult) +25
System.Web.Mvc.Async.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult
ar) +23
System.Web.Mvc.Async.WrappedAsyncResult`1.End() +55
System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult) +31
System.Web.Mvc.MvcHandler.System.Web.IHttpAsyncHandler.EndProcessRequest(IAsyncResult
result) +9
System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
+9629708
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean&
completedSynchronously) +155
Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET
Version:4.0.30319.17929