sharepoint 2007 迁出文档时报错：sharepoint 服务器错误:the file "xxxxxxxxx" is not checked out

迁出文档时报错：sharepoint 服务器错误:the file "xxxxxxxxx" is not checked out

当文档库启用了历史版本，并且启用了：Create major and minor (draft) versions

当文档是draft的时候，无法迁出，将文档pubulish a major version，可以正常迁出。