current-users: how to solve it the pppd 2.3.9 pap-screte

Subject: how to solve it the pppd 2.3.9 pap-screte
To: None <current-users@netbsd.org>
From: Chan Yiu Wah <c5666305@hkstar.com>
List: current-users
Date: 08/27/1999 20:57:31

Hello,

I recently updated my i386 system upto Aug 25, 1999.  After that, my pppd 
script (2.3.5) won't work for me any more.  The message is as followings.  
Can anyone help to solve it.  Thanks.

Clarence

======= message (pppd 2.3.9) =======
pppd: The remote system is required to authenticate itself but I
pppd: couldn't find any secret (password) which would let it use an IP address.
======= message (pppd 2.3.9) =======