I tried to use MCreator 1.3.x and 1.4.x but it always say : "Connecting to Pylo server".
I waited 2 hour, and it was the same.
Does the last Mcreator work for Minecraft 1.6.4 ?
What can I do to use MCreator for 1.6.4 ?
EDIT : It does the same with MCreator for 1.8
Thanks for your answers.