A question of mine was moved from SO to SU, but before I had an superuser account. Now the question is assigned to a non-existing user (grey text), and I can't edit the question or accept answers.
Can the question be reassigned to my new SU account? They are both merged, so it can be proven, that the two people are me.
Update: I followed the answer below and asked the support. For other people with this problem, if you read this question: This came back:
This isn't quite possible yet but it is coming soon. Keep an eye on the blog!