When you try insert a new collection, in the Authorization to Submit step,
you can select many groups to add right, the list of these groups show a
Group who doesn't exist yet, because this group is the same group of that
collection you are creating right now, so the group of this collection can
call itself, and this recursive action generate a
I don't know if I explained very well, but I will send some pictures for
you can understand better the bug.
DSpace version 1.4.2