You're right, it is no issue of your server.
I think I just fixed this problem.
I know, those actors are from me... I think something crashed... oO'
If an object as a "0" above his head it means that this object has _no_ character value, thus if it is a player model it hasn't get the data from the server...
I won't use any database, a textfile based save/ load system is easy enough to make.

to open the stats panel you have to doulbe-click on your character within 5 ticks, there in no on_something to open it.
It looks not that interesting:
