pickdeath2

not sure if it is a bug or if its suppose to do this but every time i leave a level with a black hole chest ill come back to find it is gone and the odd thing is that anything i built is partially destroyed like with tnt, blocks i added will be gone but not original blocks, and in one case i had a quarry underground that linked up to a black hole chest because i found vis stones that i didn't want to mine and when i came back the pipes where gone, half the frame was sticking outside of blocks that i blew up, and it looked like i pretty much did nothing but started to build a frame. Any ideas about this? I got all the updates i believe.