[nant-dev] I got the following error when trying to generate an xsd schema

[Aaron Engel]

The build file source is as follows:   <?xml version="1.0" encoding="utf-8" ?> <project name="GenerateNAntSchemaForVS.NET" default="genschema">     <property name="SchemaFile" value="C:\NAnt.xsd"/>     <target name="genschema">         <nantschema output="${SchemaFile}" target-ns="http://nant.sf.net/schemas/nant.xsd"/>     </target> </project>     C:\>nant NAnt 0.85 (Build 0.85.1869.0; rc2; 2/12/2005) Copyright (C) 2001-2005 Gerry Shaw http://nant.sourceforge.net   Buildfile: file:///C:/schema.build Target framework: Microsoft .NET Framework 2.0 Beta 1 Target(s) specified: genschema     genschema:     BUILD FAILED   INTERNAL ERROR   System.TypeLoadException: Could not load type 'NAnt.Core.Attributes.FileSetAttri bute' from assembly 'NAnt.Core, Version=0.85.1869.0, Culture=neutral, PublicKeyT oken=null'.    at System.Reflection.CustomAttribute.GetCustomAttributeList(Int32 token, IntP tr module, Void* caTypeHandle, CustomAttribute caItem, Int32 level)    at System.Reflection.CustomAttribute.GetCustomAttributeList(MemberInfo member , RuntimeType caType, CustomAttribute caItem, Int32 level)    at System.Reflection.CustomAttribute.GetCustomAttributes(RuntimePropertyInfo property, RuntimeType caType)    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.Tasks.NAntSchemaGenerator.FindOrCreateComplexType(Type t)    at NAnt.Core.Tasks.NAntSchemaGenerator..ctor(Type[] tasks, Type[] dataTypes, String targetNS)    at NAnt.Core.Tasks.NAntSchemaTask.WriteSchema(Stream stream, Type[] tasks, Ty pe[] dataTypes, String targetNS)    at NAnt.Core.Tasks.NAntSchemaTask.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()   Please send bug report to [EMAIL PROTECTED]   Total time: 0.6 seconds.         "This e-mail is intended for the sole use of the intended recipient and may contain privileged, sensitive, or protected health information. If you are not the intended recipient, be advised that the unauthorized use, disclosure, copying, distribution, or action taken in reliance on the contents of this communication is prohibited. If you have received this e-mail in error, please notify the sender via telephone or return e-mail and immediately delete this e-mail."