In the event that the parent categoy is not in the same privacy context as the child (for instance, it doesn't have a PC), should check that parent category is successfully retrieved instead of relying on the fact that it's retrieved.
fix production fatal errors
Merge branch 'IX-9.0.0-production-fatal-errors' of https://github.com/kaltura/server into IX-9.0.0-production-fatal-errors
Merge pull request #87 from kaltura/IX-9.0.0-production-fatal-errors

Ix 9.0.0 production fatal errors