[WebPartPageUserException: Il formato di una delle proprietà della web part non è corretto. Impossibile deserializzare la web part. Verificare il formato delle proprietà, quindi riprovare.]
  in Microsoft.SharePoint.WebPartPages.WebPart.ParseXml(XmlReader reader, Type type, String[] links, SPWeb spWeb)
  in Microsoft.SharePoint.WebPartPages.WebPart.ParseCompressed(SPWebPartManager manager, XmlNamespaceManager xmlnsManager, Byte[] personal, Byte[] global, String[] links, Type type, SPWeb spWeb)
  in Microsoft.SharePoint.WebPartPages.BinaryWebPartDeserializer.LoadInitialWebPart()
  in Microsoft.SharePoint.WebPartPages.BinaryWebPartDeserializer.Deserialize()
  in Microsoft.SharePoint.WebPartPages.SPWebPartManager.CreateWebPartsFromRowSetData(Boolean onlyInitializeClosedWebParts)

[IOException: Spazio su disco insufficiente. ]
  in System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
  in System.IO.FileStream.WriteCore(Byte[] buffer, Int32 offset, Int32 count)
  in System.IO.FileStream.FlushWrite(Boolean calledFromFinalizer)
  in System.IO.FileStream.Dispose(Boolean disposing)
  in System.IO.Stream.Close()
  in System.IO.StreamWriter.Dispose(Boolean disposing)
  in System.IO.TextWriter.Dispose()
  in Microsoft.CSharp.CSharpCodeGenerator.FromSourceBatch(CompilerParameters options, String[] sources)
  in Microsoft.CSharp.CSharpCodeGenerator.System.CodeDom.Compiler.ICodeCompiler.CompileAssemblyFromSourceBatch(CompilerParameters options, String[] sources)
  in System.CodeDom.Compiler.CodeDomProvider.CompileAssemblyFromSource(CompilerParameters options, String[] sources)
  in System.Xml.Serialization.Compiler.Compile(Assembly parent, String ns, XmlSerializerCompilerParameters xmlParameters, Evidence evidence)
  in System.Xml.Serialization.TempAssembly.GenerateAssembly(XmlMapping[] xmlMappings, Type[] types, String defaultNamespace, Evidence evidence, XmlSerializerCompilerParameters parameters, Assembly assembly, Hashtable assemblies)
  in System.Xml.Serialization.TempAssembly..ctor(XmlMapping[] xmlMappings, Type[] types, String defaultNamespace, String location, Evidence evidence)
  in System.Xml.Serialization.XmlSerializer.GenerateTempAssembly(XmlMapping xmlMapping, Type type, String defaultNamespace, String location, Evidence evidence)
  in System.Xml.Serialization.XmlSerializer..ctor(Type type, XmlAttributeOverrides overrides, Type[] extraTypes, XmlRootAttribute root, String defaultNamespace, String location, Evidence evidence)
  in System.Xml.Serialization.XmlSerializer..ctor(Type type, XmlAttributeOverrides overrides)
  in Microsoft.SharePoint.WebPartPages.TypeCacheBuilder.CreateXmlSerializer(Storage storage, Boolean buildPersistedNames, Boolean shouldExcludeSpecialProperties, Hashtable& persistedNames, Hashtable& namespaces, Hashtable& dwpNamespaces)
  in Microsoft.SharePoint.WebPartPages.TypeCacheEntry.ThreadSafeCreateXmlSerializer(XmlSerializer& serializer, Storage storage, Boolean buildPersistedNames, Boolean shouldExcludeSpecialProperties)
  in Microsoft.SharePoint.WebPartPages.TypeCacheEntry.get_XmlSerializer()
  in Microsoft.SharePoint.WebPartPages.WebPart.ParseXml(XmlReader reader, Type type, String[] links, SPWeb spWeb)