Hi all,

I'm getting the following exception when I try to publish a node in Umbraco:

Value cannot be null.
Parameter name: attribute

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.ArgumentNullException: Value cannot be null.
Parameter name: attribute

Source Error: 

Stack Trace: 

[ArgumentNullException: Value cannot be null.
Parameter name: attribute]
   System.Xml.Linq.XAttribute.op_Explicit(XAttribute attribute) +151114
   UmbracoExamine.UmbracoContentIndexer.ReIndexNode(XElement node, String type) +220
   Examine.ExamineManager._ReIndexNode(XElement node, String type, IEnumerable`1 providers) +111
   umbraco.DocumentCacheEventHandler.Invoke(Document sender, DocumentCacheEventArgs e) +0
   umbraco.content.UpdateDocumentCache(Document d) +1112
   umbraco.library.UpdateDocumentCache(Int32 DocumentId) +122
   umbraco.cms.presentation.editContent.Publish(Object sender, EventArgs e) +551
   System.EventHandler.Invoke(Object sender, EventArgs e) +0
   System.Web.UI.WebControls.ImageButton.OnClick(ImageClickEventArgs e) +134
   System.Web.UI.WebControls.ImageButton.RaisePostBackEvent(String eventArgument) +204
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3804

Thing is, that this exception only occurs when I have create a new document type and tries to publish a node of that type in my content section. When I create a new Textpage, it saves and publishes just fine.

I have tried the following:

- Restarted IIS
- Recycled app pool
- Deleted examine indexes (which automatically rebuilds)
- Hit the "Republish entire site" button
- Tried to republish root node and all childnodes (the exception occurs here aswell)
- Touched the web.confg

Without any luck.. 

Anyone know of a way to fix this? :-O

Thanks in advance!

All the best,

Bo