Not a problem; a lot of people had the same issues, figured something had to be done
...
One thing I'm thinking about is cleaning up non-existant pm's which are shown in the users table; as some people just purged the other two and left that one unaffected (granted, I provided the query to do it, so I feel semi responsible). But I haven't done much work on that one yet (though as I have the issue on my main forum, it will eventually be done); this one was just for the community to assist all imported users (as I'm sure other products will have similar issues as well , should they have welcome messages)
