I happens when trying to build a world, my app uses 4 worlds, fater loading the textures my program began to load the worlds, and the error appear when trying to load the first world.
As I said before I used to run it well, now it stop on this error almost when beginning to load everything.
I have 512 MB of ram. I can perfectly run other jpct app I have done. I better review my code again. I am thinking that the evil lives ibside my PC, always happens something when doing important projects.