[Trooper[Y]]

Hey all together.
Currently, im using this snippet:

Code:

pl_stats[killerid][dmratio] = floatdiv(float(pl_stats[killerid][dmwins]),float(pl_stats[killerid][dmlosses]));

But sometimes is the result :

Quote:

./,),(-*,(

I dont know, when this occurs.
Probably someone can tell me, how i can prevent this ?