Using

<xsl:value-of select="umbraco.library:RenderTemplate(@id, 1224)" disable-output-escaping="yes" />

 in xslt causes error on the page:

<!-- Error generating macroContent: 'System.Web.HttpException: Error executing child request for /default.aspx. ---> 

System.Web.HttpException: The file '/default.aspx' does not exist.

   at System.Web.UI.Util.CheckVirtualFileExists(VirtualPath virtualPath)

   at System.Web.Compilation.BuildManager.GetVPathBuildResultInternal(VirtualPath virtualPath, Boolean noBuild, Boolean allowCrossApp, Boolean allowBuildInPrecompile)

   at System.Web.Compilation.BuildManager.GetVPathBuildResultWithNoAssert(HttpContext context, VirtualPath virtualPath, Boolean noBuild, Boolean allowCrossApp, Boolean allowBuildInPrecompile)

   at System.Web.Compilation.BuildManager.GetVirtualPathObjectFactory(VirtualPath virtualPath, HttpContext context, Boolean allowCrossApp, Boolean noAssert)

   at System.Web.Compilation.BuildManager.CreateInstanceFromVirtualPath(VirtualPath virtualPath, Type requiredBaseType, HttpContext context, Boolean allowCrossApp, Boolean noAssert)

   at System.Web.UI.PageHandlerFactory.GetHandlerHelper(HttpContext context, String requestType, VirtualPath virtualPath, String physicalPath)

   at System.Web.UI.PageHandlerFactory.System.Web.IHttpHandlerFactory2.GetHandler(HttpContext context, String requestType, VirtualPath virtualPath, String physicalPath)

   at System.Web.HttpApplication.MapHttpHandler(HttpContext context, String requestType, VirtualPath path, String pathTranslated, Boolean useAppConfig)

   at System.Web.HttpServerUtility.Execute(String path, TextWriter writer, Boolean preserveForm)

   --- End of inner exception stack trace ---

   at System.Web.HttpServerUtility.Execute(String path, TextWriter writer, Boolean preserveForm)

   at System.Web.HttpServerUtility.Execute(String path, TextWriter writer)

   at umbraco.library.RenderTemplate(Int32 PageId, Int32 TemplateId)' --&gt;

any idea? thanks a lot!