SVN同步或者提交的时候出现类似错误信息：
The working copy needs to be upgraded
svn: Working copy 'D:adt-bundle-windows-x86_64-20130917workspaceECSF
esanim' is too old (format 10, created by Subversion 1.6)
解决方式：
1.右击项目--team--upgrade；
2.找到报错误的文件下，里面有个.svn的目录，将其删除掉。然后又一次同步或提交；