That is where it is showing the ESN (dec): as 00000000000 and ESN (hex): as 0.
I purchased it off a guy who's company gave him a phone so he was selling his personal phone.
I saw one other posting online regarding the exact same issue, but unfortunately there were no posts on how to correct the issue.
The only thing I can think of is to get RIM to fix it, but at what cost? time? etc.