[Lawtan]

Owch...
From what I read, the DC have had a bug go around twice that did that to random people, and once erased the dragons people had collected. (In response to the latter, the owner made and sent out special dragons - rare alt. colors of the dragons lost - to those who lost their dragons)
The bugs seem to be mostly caught before release, nowadays... (Multiple dragons have been scrapped because they were afraid the release of such a dragon could cause similar issues)