Wierd issue with no experience now

[provocating]

So I had a player say this was happening and I tried it out and indeed they are correct. I logged in as a level 7 player and went into a zone like blackburrow. A level 3 mob shows up as a dark blue and you kill it with zero XP. A level 4 shows up as a dark blue and you get XP. This is with Underfoot.

I have players on right now so I have not bounced the server. What would cause an issue like this? The server has been running fine with minimal issues for months. I think rebooted it about 2 weeks ago was the last reboot. I am not sure what was cause the con to be a different color, I thought that was client side. If I remember that much of a level spread, that level 3 should be grey to a level 7.