Well this is one of quite a few well know KSMAS bugs. Its been about a year since KeyStorm decided to update KSMAS to Chameleon Board Campanion (CBC) but unfortunately he has been tied up for ages with his univ work (afaik)
If you want you can use quite a few other random avatar scripts. They can be easily found online via a google search. Or you can ask anyone (like me) who uses a script himself
I have been using dt's RSAS (Random Avatar Stats Sig) script for over a year and a half without any probs. All you need is a host with php 4/5 and a mysql db with a few kb space (for the stats )
If you dont have a db then you can go for his RAS (Random Avatar Sig) script which is exactly the same as above but without the stats (which were made just for fun anyway ) It requires php4/5
If you need this script then please contact me via pm (since in all probability dt doesnt have it. I am his old scripts repository
<3 dt