Error migrating generic content

May 26, 2011 at 6:13 AM
I removed en culture and add en-US culture. but it still shows below error in  migration log while migrating Generic contents form Sitefinity 3.7 SP4.
Unsupported language "en-US". If you want to support this language, please configure your application accordingly.
at Telerik.Sitefinity.Model.DataExtensions.ThrowUnsupportedLanguage(CultureInfo culture) at Telerik.Sitefinity.Descriptors.LstringPropertyDescriptor.SetString(Object component, String value, CultureInfo culture) at Telerik.Sitefinity.Model.DataExtensions.SetString(IDynamicFieldsContainer dataItem, String fieldName, Lstring value, CultureInfo culture) at Telerik.Sitefinity.GenericContent.Model.ContentItem.set_Content(Lstring value) at Migration.Classes.MigrationGenericContents.ImportGenericContent(MigrationGenericContent genericContent) at Migration.MigrationModule.ImportGenericContent()