[Error When Delpoyed on Test Server]

Hi,

I am getting the following error in ChartFX.WebForms.DataProviders.CrosstabDataProvider when I deploy my application to the test server. 

 

It works fine on my development machine.

 

Any help would be much appreciated.

 

 

 

Key cannot be null.<br>Parameter name: key

Key cannot be null.
Parameter name: key

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.ArgumentNullException: Key cannot be null.
Parameter name:
key

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:

[ArgumentNullException: Key cannot be null.Parameter name: key] System.Collections.Hashtable.ContainsKey(Object key) +2875893 ChartFX.WebForms.DataProviders.CrosstabDataProvider.a(Object A_0) +17 ChartFX.WebForms.DataProviders.CrosstabDataProvider.g() +1234 ChartFX.WebForms.DataSourceSettings.a(IDataEx A_0, FieldMapCollection A_1, PropertyDescriptorCollection A_2, a A_3, Boolean A_4) +2633 ChartFX.WebForms.DataSourceSettings.a() +455 ChartFX.WebForms.DataSourceSettings.e() +39 ChartFX.WebForms.DataSourceSettings.set_DataSource(Object value) +305 ChartFX.WebForms.Chart.set_DataSource(Object value) +60 STCEnergy.WebInterface.MarketData.BindChartForContracts() +1037 STCEnergy.WebInterface.MarketData.BindChart() +86 STCEnergy.WebInterface.MarketData.btnAdd_Click(Object sender, EventArgs e) +4 System.Web.UI.WebControls.Button.OnClick(EventArgs e) +105 System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +107 System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +7 System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +11 System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +33 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1746

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Version Information: Microsoft .NET Framework Version:2.0.50727.1433;
ASP.NET Version:2.0.50727.1433