System.Xml.XmlException: The ' ' character, hexadecimal value 0x20, cannot be included in a name. at System.Xml.XmlConvert.VerifyNCName(String name, ExceptionType exceptionType) at System.Xml.XmlQualifiedName.Verify() at System.Xml.Xsl.XsltArgumentList.AddParam(String name, String namespaceUri, Object parameter) at Sitecore.Web.UI.WebControls.XslFile.AddParameters(XsltArgumentList list, Item item) at Sitecore.Web.UI.WebControls.XslFile.DoRender(HtmlTextWriter output, Item item) Xsl file could not be processed: /xsl/sample rendering.xslt