[问题求助] 在stata中进行Winsor处理时，出现下面的情况，哪位大神可以指导下嘛？谢谢 [推广有奖]

. ssc install winsor2, replace //自动安装Winsor2程序
checking winsor2 consistency and verifying not already installed...
installing into D:\stata11\ado\plus\...
installation complete.


. Winsor2 ind inv lev_lag npm_lag ocf size growth sale,replace cuts(1 99)
winsor2 already defined
(error occurred while loading Winsor2.ado)