Delete shared folders on kolab 1

[darkalia]

Hi,

I'm still on my shared contact and calendar and I have some problems to 
delete shared folders on kolab 1.
I'm on a debian sarge, but I don't think it causes any problem.

When I want to delete one, I have a page which indicate a successfull 
manipulation, but if I reconnect on web interface, it is still there.

How can I definitely erase this folder ?

An other problem is the UID of this folder : waht must I put in this field ?

Regards,

-- 
Benjamin Allot