I just fired up a new game with my son and two friends.  The first turn, I get an error message for 3 of the races: 
"[race] has cheated
[race] has a God that is too powerful considering current Dominions 3 rules.  This might be caused by cheating or by using the wrong mod when designing the God. The offending God has been reduced in power. "
My (non-dormant/non-imprisoned) pretender is absent. 
What could cause this?  I know that no one is cheating.  I believe everyone is using the 3.21 patched version.  (I know I am, and my race was one of the "cheaters").  
We are using the Arduria map, modified for Dom 3.  Could that be a problem?
http://forum.shrapnelgames.com/showthread.php?t=32801
Any advice would be appreciated.  I'm leaving for a week on Friday, and would dearly like to get the auto host set up before I depart.  
Thanks!
DB