Sounds like an SCP almostFurther notes: Endeavor to see if any insight can be gained via hawkeye & console logs to see if there was a specific thing that happened to trigger this. Corruptions are a nasty pain to deal with and if you get any specific intel on avoiding any subsequent ones the better.
I suspect there's something in the OOC historical oddities collection that was done in bulk that could potentially lead to these issues.