Extending the strategy tutorial

Hi
I tried adding another unit to the strategy tutorial. An infant type that grows and can be later turned into a worker or soldier. I also spawn 2 infants near each base at the start of the game. The problem is that selecting the infant type throws up an unknown application error, then gives me the "ok to terminate", "cancel to debug". I cant see any reason for the error, although i expect its in objectTypes.cs

Here are the changes i made:

data.cs
...........

//Initialise the units in each clan
function loadClans()
{
//create 2 random infants
for(%cnt = 0;%cnt<=1;%cnt++)
{
createRandomInfant("Squares");
createRandomInfant("Circles");
}
}

function createRandomInfant(%team)
{
%pos = %team.base.getPosition();
%posX = getWord(%pos, 0);
%posY = getWord(%pos, 1);
%posY = %posY + (getRandom(30)-15);
%posX = %posX + (getRandom(30)-15);
%pos = %posX SPC %posY;

if(%team $= "Squares")
{
gameData.spawnObject("SquaresInfant", "Squares", %pos, "SquaresInfant");
}
else
{
gameData.spawnObject("CirclesInfant", "Circles", %pos, "CirclesInfant");
}
}



in objectTypes.cs
...........................

new ScriptObject(Infant : Entity){
superClass = Entity;
size = "5 5";
speed = 12;
hitPointsMax = 60;
gender = "female";
};

new ScriptObject(CirclesInfant : Infant){
class = Infant;
};
new ScriptObject(SquaresInfant : Infant){
class = Infant;
};



The only unusual thing i can see in the console is this:

--------- Initializing MOD: T2D ---------
Loading compiled script strategy/gameScripts/game.cs.
Loading compiled script strategy/data/content/datablocks.cs.
t2dImageMapDatablock::calculateFullImageMap() - ImageMap (ForestMossImageMap) disabled 'filter-padding' as it was unnecessary!
t2dImageMapDatablock::calculateFullImageMap() - ImageMap (ThickGrassImageMap) disabled 'filter-padding' as it was unnecessary!
t2dImageMapDatablock::calculateFullImageMap() - ImageMap (borderImageMap) disabled 'filter-padding' as it was unnecessary!
t2dImageMapDatablock::calculateFullImageMap() - ImageMap (CityImageMap) disabled 'filter-padding' as it was unnecessary!
t2dImageMapDatablock::calculateFullImageMap() - ImageMap (goldMineImageMap) disabled 'filter-padding' as it was unnecessary!