i have a bug when i run my nant, plz tell me how to do with it, thank you.
System.TypeLoadException: Can't load NAnt.Core.Attributes.FileSetAttribute from NAnt.Core, Version=0.85.1869.0, Culture=n
eutral, PublicKeyToken=null。
at System.Reflection.CustomAttribute.GetCustomAttributeList(Int32 token, IntP
tr module, RuntimeType caType, CustomAttribute caItem, Int32 level)
at System.Reflection.CustomAttribute.GetCustomAttributeListCheckType(Int32 to
ken, IntPtr module, Type caType, CustomAttribute caItem, Int32 level)
at System.Reflection.CustomAttribute.GetCustomAttributes(MemberInfo member, T
ype caType, Boolean inherit)
at System.Reflection.RuntimePropertyInfo.GetCustomAttributes(Type attributeTy
pe, Boolean inherit)
at System.Attribute.InternalGetCustomAttributes(PropertyInfo element, Type ty
pe, Boolean inherit)
at System.Attribute.GetCustomAttributes(MemberInfo element, Type type, Boolea
n inherit)
at System.Attribute.GetCustomAttribute(MemberInfo element, Type attributeType
, Boolean inherit)
at NAnt.Core.AttributeConfigurator.InitializeAttribute(PropertyInfo propertyI
nfo)
at NAnt.Core.AttributeConfigurator.Initialize()
at NAnt.Core.Element.InitializeXml(XmlNode elementNode, PropertyDictionary pr
operties, FrameworkInfo framework)
at NAnt.Core.Element.Initialize(XmlNode elementNode, PropertyDictionary prope
rties, FrameworkInfo framework)
at NAnt.Core.Project.CreateTask(XmlNode taskNode, Target target)
at NAnt.Core.Target.Execute()
at NAnt.Core.Project.Execute(String targetName, Boolean forceDependencies)
at NAnt.Core.Tasks.CallTask.ExecuteTask()
at NAnt.Core.Task.Execute()
at NAnt.Core.Target.Execute()
at NAnt.Core.Project.Execute(String targetName, Boolean forceDependencies)
at NAnt.Core.Project.Execute()
at NAnt.Core.Project.Run()
