I was messing around with the campain maps on sparkedit. On Silent Cartographer(i think thats how you spell it

) and i made a fortress out of boxes. and i went to start a new game and i got the error message what are the rules on not getting this message? (if this has aready been answered im sory)
Dessertfox
PS Dont flam me about o im a noob! I KNOW!
