FAR Plugin doesn't connect to Sun_SSH

the FAR-Plugin doesn't connect to my SSH-servers while WinSCP (Version 3.4.2 and 3.5) has no Problem.
The Error message: EAccessViolation

thanks in advance,
Ingo

log file:

. --------------------------------------------------------------------------
. WinSCP Version 1.1.0 (Build 54)
. Login time: Mittwoch, 14. Januar 2004 15:48:34
. --------------------------------------------------------------------------
. Session name: kresse@sunhalle11
. Host name: sunhalle11 (Port: 22)
. User name: kresse (Password: No, Key file: No)
. Transfer Protocol: SCP
. SSH protocol version: 2; Compression: No
. Agent forwarding: No; TIS/CryptoCard: No; KI: Yes
. Ciphers: aes,blowfish,3des,WARN,des; Ssh2DES: No
. Ping interval: 0 sec (0 = off); Timeout: 15 sec
. SSH Bugs: -,-,-,-,-,-,-,-,
. Proxy: none
. Return code variable: Autodetect; Lookup user groups: Yes
. Shell: default, EOL: 0
. Local directory: default, Remote directory: home, Update: No, Cache: Yes
. Clear aliases: Yes, Unset nat.vars: Yes, Resolve symlinks: Yes
. Alias LS: No, Ign LS warn: Yes, Scp1 Comp: Yes
. --------------------------------------------------------------------------
. Looking up host "sunhalle11"
. Connecting to 131.159.4.153 port 22
. Server version: SSH-2.0-Sun_SSH_1.0
. We claim version: SSH-2.0-WinSCP-FAR-release-1.1
. Using SSH protocol version 2
. Doing Diffie-Hellman key exchange
. Host key fingerprint is:
. ssh-rsa 1024 4c:ef:36:60:13:9e:30:9a:50:1e:fa:60:cc:14:5e:bd
. Initialised AES-128 client->server encryption
. Initialised AES-128 server->client encryption
. Attempt to close connection due to fatal exception:
* Authentication failed.
* (EAccessViolation) EAccessViolation
. Closing connection.

It is probably not connected to Sun, as the problem is similar to one reported in:
- Far plugin dos'n connect to winsshd

I'll try to fix this.