Hello there,

I get the following error when copying a page (EPiServerErrors.log):

2014-11-10 08:18:24,826 [48] ERROR EPiServer.Core.Transfer.TransferLogger: 10.5.3 Export/import error: [Importing content 14110_39921] Exception: The XhtmlString instance is read-only. Call CreateWritableClone() to create an object that can be modified.
System.NotSupportedException: The XhtmlString instance is read-only. Call CreateWritableClone() to create an object that can be modified.
vid EPiServer.Core.XhtmlString.set_ParserMode(FragmentParserMode value)
vid EPiServer.SpecializedProperties.PropertyXhtmlString.LoadData(Object value)
vid EPiServer.Core.Transfer.PropertyXhtmlTransform.ImportEventHandler(Object sender, TransformPropertyEventArgs e)
vid System.EventHandler`1.Invoke(Object sender, TEventArgs e)
vid EPiServer.Core.Transfer.ContentTransfer.ImportProperty(RawContent contextContent, RawProperty importedProp, PropertyData propDestination)
vid EPiServer.Core.Transfer.ContentTransfer.ImportProperties(IContent newContent, RawContent importedContent)
vid EPiServer.Core.Transfer.ContentTransfer.Import(RawContent rawContent, AccessLevel requiredDestinationAccess, Guid& importedPageGuid)
vid EPiServer.Core.Transfer.ContentTransfer.Import(ITransferContentData content, AccessLevel requiredDestinationAccess)
vid EPiServer.Enterprise.DataImporter.ImportContents[T](XmlTextReader reader, ZipPackage package)
vid EPiServer.Enterprise.DataImporter.ImportStream(ZipPackage package, XmlTextReader reader, String partName)
vid EPiServer.Enterprise.DataImporter.ImportRaw(ZipPackage package)
vid EPiServer.Enterprise.DataImporter.Import()
2014-11-10 08:18:24,842 [48] ERROR EPiServer.Enterprise.Transfer.ContentCopyHandler: Failed to copy pages with root '8691' to '14035'

In Developer Tools does it indicate an 403 on the post call (http://wwwtest.skogforsk.se/EPiServer/cms/Stores/contentstructure/8691)

- I have copied other pages of same pagetype without any problem (from and to the same folders).

- I have cleared the page from blocks, and has minimal text content.

Running the following version:

  <>package id="EPiServer.CMS.Core" version="7.13.1" targetFramework="net451" />
  <>package id="EPiServer.CMS.UI" version="7.12.1" targetFramework="net451" />
  <>package id="EPiServer.CMS.UI.Core" version="7.12.1" targetFramework="net451" />

Any ideas?