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to make it a little bit clear for everybody else....
lapsa2000 has deleted an user from xoops's admin page that also happened to be his only friend on yogurt.
Well, now he goes to yogurt, and sees that he still has one friend but no link or avatar for it.
the tribe that this deleted user has created is still there but no way to erase it..
suico added that the only way now is to delete it in the DB 'cos there still no funtion on the app for this action