ALM 11: Project leftovers in admin page after delete in base

Hello,

We had a desactivate project in admin page with no possibility to delete, rename or re-activate (grayed buttons).

So, we decided to delete in base and delete the repository too.

Despite these actions, the project is still visible in admin page (inactive, no possibility to see tables).

When we try to import a old export:

1st try: KO => Project with the same PUID (Project Unique ID) already exists .

2nd try: KO => by following the 2nd way in this post:

http://h30499.www3.hp.com/t5/Quality-Center-Support-and-News/How-to-create-new-project-in-HPQC-10-the-same-PUID-by-importing/td-p/5206777#.VVyoDb1OJYc

If anyone has already encounter this problem, how have you solve it?

Thanks in advance.