compling what is rad?

what is rad if i comply it and it is no my frends cant join and they get missing maps but if i set it as fast what it chances?

rad "vrad2 is the proccess of calculaing light in the map if you don’t do rad your map will be fullbright and colours look washed out , what are you trying to do exactly ??

Just checked last time i didnt do it my map loked awfull and i wasnt sure was it becous of that

most probably, did you check your compile log for any other errors ?

Yes but i solved it my map is almoust done just checkin did water finaly work