Hi, I gust tried the package on umbraco 4.10.1

I get this error when I click on the "super preview" button:

Server Error in '/' Application.
Method not found: 'Void umbraco.content.AppendDocumentXml(Int32, Int32, Int32, System.Xml.XmlNode, System.Xml.XmlDocument)'.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.MissingMethodException: Method not found: 'Void umbraco.content.AppendDocumentXml(Int32, Int32, Int32, System.Xml.XmlNode, System.Xml.XmlDocument)'.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:


[MissingMethodException: Method not found: 'Void umbraco.content.AppendDocumentXml(Int32, Int32, Int32, System.Xml.XmlNode, System.Xml.XmlDocument)'.]
   Cogworks.SuperPreview.PreviewContent.PrepareDocument(User user, Document documentObject) +0
   Cogworks.SuperPreview.SuperPreviewJump.Page_Load(Object sender, EventArgs e) +650
   System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +25
   umbraco.BasePages.BasePage.OnLoad(EventArgs e) +19
   System.Web.UI.Control.LoadRecursive() +71
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3064


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.272