EPM10 NW SP05 - Add-In Excel : No model associated to an environnement ?

Hi Experts,

Someone can help me on the following :

I've installed the EPM Add-In for Excel.

And now tried to configue a connection to the my server, but failed.

In fact , with my URL, the system find an Environnement - the Shell Environnement, but, does not find any Model :-(.

I work with : EPM10 NW SP05.

Someone get any idea please ?

Thanks a lot,

Olivia.