The mailing list for listmasters using Sympa

[address@concealed]

The listmaster for my main domain, can login to wwsympa just fine, at:

http://www.dom1.com/wws

However, on a virtual domain:

http://www.dom2.org/wws

The listmaster, can not log in.  Or, rather, it claims to accept the login 
(gives the annoying "to set password" page), but when doing a couple 
browser backs, to get to the starting page of the session, and either 
hitting refresh, or selecting "arts and entertainment" under available 
lists, which is what you usually have to do to get the listmaster main 
menu to come up: prefs, your subscriptions, etc., are still not available 
as links, and trying anything special, has the system asking me to log in 
again.  Additionally, the "create list", and "sympa admin" options, do not 
show up.

Browser: lynx 2.8.4rel1.

Any ideas what might be causing this?

Luke