System.Xml.Xsl.XslTransformException: An error occurred during a call to extension function 'GetShopNodesXml'. See InnerException for a complete description of the error. ---> System.Data.SqlClient.SqlException: Conversion failed when converting from a character string to uniqueidentifier. at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection) at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) at System.Data.SqlClient.SqlDataReader.HasMoreRows() at System.Data.SqlClient.SqlDataReader.ReadInternal(Boolean setTimeout) at System.Data.SqlClient.SqlDataReader.Read() at Sitecore.Data.DataProviders.Sql.DataProviderReader.Read() at Sitecore.Data.DataProviders.Sql.SqlDataProvider.QueryFast(String query, CallContext context) at Sitecore.Data.DataProviders.Sql.SqlDataProvider.SelectIDs(String query, CallContext context) at Sitecore.Data.DataProviders.DataProvider.SelectIDs(String query, CallContext context, DataProviderCollection providers) at Sitecore.Data.DataSource.SelectIDs(String query) at Sitecore.Data.DataManager.SelectItems(String query, Boolean& processed) at Sitecore.Data.Database.SelectItems(String query) at FC.Site.Classes.SC.ShopSearchExtension.GetShopNodesXml(String shopName, String category, Boolean recurseCategories, String higherThanOrEqualToPrice, String lessThanPrice, String brand, String designer, Boolean onlyJustIn, Boolean onlySalesItems) --- End of inner exception stack trace --- at System.Xml.Xsl.Runtime.XmlExtensionFunction.Invoke(Object extObj, Object[] args) at System.Xml.Xsl.Runtime.XmlQueryContext.InvokeXsltLateBoundFunction(String name, String namespaceUri, IList`1[] args) at <xsl:template match="*" mode="main">(XmlQueryRuntime {urn:schemas-microsoft-com:xslt-debug}runtime, XPathNavigator {urn:schemas-microsoft-com:xslt-debug}current) at <xsl:template match="*">(XmlQueryRuntime {urn:schemas-microsoft-com:xslt-debug}runtime) at Root(XmlQueryRuntime {urn:schemas-microsoft-com:xslt-debug}runtime) at Execute(XmlQueryRuntime {urn:schemas-microsoft-com:xslt-debug}runtime) at System.Xml.Xsl.XmlILCommand.Execute(Object defaultDocument, XmlResolver dataSources, XsltArgumentList argumentList, XmlSequenceWriter results) at System.Xml.Xsl.XmlILCommand.Execute(Object defaultDocument, XmlResolver dataSources, XsltArgumentList argumentList, XmlWriter writer, Boolean closeWriter) at System.Xml.Xsl.XmlILCommand.Execute(IXPathNavigable contextDocument, XmlResolver dataSources, XsltArgumentList argumentList, XmlWriter results) at System.Xml.Xsl.XslCompiledTransform.Transform(IXPathNavigable input, XsltArgumentList arguments, XmlWriter results) at Mvp.Xml.Common.Xsl.MvpXslTransform.TransformToWriter(XmlInput defaultDocument, XsltArgumentList xsltArgs, XmlWriter xmlWriter) at Mvp.Xml.Common.Xsl.MvpXslTransform.Transform(XmlInput input, XsltArgumentList arguments, XmlOutput output) at Sitecore.Web.UI.WebControls.XslFile.DoRender(HtmlTextWriter output, Item item) Xsl file could not be processed: /xsl/Content/ShopHomepagePrimary.xslt