I have just updated the skin on a site I am buiding. new install and trying to get up and running when I got a critical error on the Site Setttings page. could someone please help. I am not a programmer but understand HTML well.

AssemblyVersion:7.3.1

PortalID:0

PortalName:xxx

UserID:1

UserName:xxx

ActiveTabID:67

ActiveTabName:Site Settings

RawURL:/Admin/SiteSettings.aspx

AbsoluteURL:/Default.aspx

AbsoluteURLReferrer:http://www.xxxx.com/Admin/SiteSettings/tabid/67/ctl/Tab/action/edit/Default.aspx?returnurl=http://www.xxx.com/Admin/Pages/tabid/68/edittabid/67/isHost/False/Default.aspx&popUp=true

UserAgent:Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_3) AppleWebKit/537.76.4 (KHTML, like Gecko) Version/7.0.4 Safari/537.76.4

DefaultDataProvider:DotNetNuke.Data.SqlDataProvider, DotNetNuke

ExceptionGUID:64790ecd-73da-41c4-b914-86dbca593bf7

InnerException:Selection out of range Parameter name: value

FileName:

FileLineNumber:0

FileColumnNumber:0

Method:Telerik.Web.UI.RadComboBox.PerformDataBinding

StackTrace:

Message:

DotNetNuke.Services.Exceptions.PageLoadException: Selection out of range
Parameter name: value ---> System.ArgumentOutOfRangeException: Selection out of range
Parameter name: value
at Telerik.Web.UI.RadComboBox.PerformDataBinding(IEnumerable dataSource)
at Telerik.Web.UI.RadComboBox.OnDataSourceViewSelectCallback(IEnumerable data)
at System.Web.UI.DataSourceView.Select(DataSourceSelectArguments arguments, DataSourceViewSelectCallback callback)
at Telerik.Web.UI.RadComboBox.OnDataBinding(EventArgs e)
at Telerik.Web.UI.RadComboBox.PerformSelect()
at System.Web.UI.WebControls.BaseDataBoundControl.DataBind()
at Telerik.Web.UI.RadComboBox.DataBind()
at DotNetNuke.Web.UI.WebControls.DnnSkinComboBox.OnLoad(EventArgs e)
at System.Web.UI.Control.LoadRecursive()
at System.Web.UI.Control.LoadRecursive()
at System.Web.UI.Control.LoadRecursive()
at System.Web.UI.Control.LoadRecursive()
at System.Web.UI.Control.LoadRecursive()
at System.Web.UI.Control.LoadRecursive()
at System.Web.UI.Control.LoadRecursive()
at System.Web.UI.Control.LoadRecursive()
at System.Web.UI.Control.LoadRecursive()
at System.Web.UI.Control.LoadRecursive()
at System.Web.UI.Control.LoadRecursive()
at System.Web.UI.Control.LoadRecursive()
at System.Web.UI.Control.LoadRecursive()
at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
--- End of inner exception stack trace ---
Source:

Server Name