Icanhazmochi

Re: Common Problems (And their solutions) I cheated myself a monster spawner via NEI and it had absolutley nothing in it that I could see, when it landed in my inventory it gave me a saving chunks screen and then a blank white screen, plz help me it's my best world and I have a group of youtubers expecting me to email the map to them to check it out and consider using it for a lets play, I can email you the map if you want to fix it, or you can just tell me how to, i'm fine either way. ???