login to build farm not possible

[rupert THURNER via buildfarm]

hi,

i cannot login any more because of

rt at rt:~$ ssh rupert at login.opencsw.org
rupert at login.opencsw.org's password:
Last login: Tue Dec 29 04:19:32 2015 from adsl-84-227-248-103.adslplus.ch
Sun Microsystems Inc.   SunOS 5.10      Generic January 2005

Please make sure to read /etc/SETUP for general info.

Agent pid 17493
There is a screen on:
        11490.pts-48.login      (Dead ???)
Remove dead screens with 'screen -wipe'.
There is no screen to be attached.
Connection to login.opencsw.org closed.
rt at rt:~$

could you please have an eye on this, i am not sure i could do
something on the ssh client side to make the login work again.

best,
rupert