Tahoma not working

Hi everyone,
i am using openhab 3.1.0 on windows.
since some days my somfy tahoma binding doesnt work. First the server
wasn´t online, thats why i thougt i just have to wait.
but now i can log in in a browser on tahomalink.com without problems, but
the binding still not working.

anyone has the same problem ?

thank s