Starter Site doesn't work : Commerce server

I have installed the starter site according to the starter site installation
guide. But when I try to run it I get the following error:

Server Error in '/WebSjop' Application
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Specified argument was out of the range of valid values. Parameter name:
value
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.ArgumentOutOfRangeException: Specified argument
was out of the range of valid values. Parameter name: value

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:


[ArgumentOutOfRangeException: Specified argument was out of the range of
valid values.
Parameter name: value]
System.Web.UI.WebControls.ListControl.set_SelectedIndex(Int32 value) +151
System.Web.UI.WebControls.DropDownList.set_SelectedIndex(Int32 value) +5
Microsoft.Solutions.Applications.LanguageDropDown.FillDropDownList() +91
Microsoft.Solutions.Applications.LanguageDropDown.OnInit(EventArgs e) +277
System.Web.UI.Control.InitRecursive(Control namingContainer) +241
System.Web.UI.Control.InitRecursive(Control namingContainer) +179
System.Web.UI.Control.InitRecursive(Control namingContainer) +179
System.Web.UI.Control.InitRecursive(Control namingContainer) +179
System.Web.UI.Control.InitRecursive(Control namingContainer) +179
System.Web.UI.Control.InitRecursive(Control namingContainer) +179
System.Web.UI.Control.InitRecursive(Control namingContainer) +179
System.Web.UI.Page.ProcessRequestMain() +194




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Version Information: Microsoft .NET Framework Version:1.1.4322.2300; ASP.NET
Version:1.1.4322.2300

Any help would be appreciated.

Thanks.