Are you playing single player or server, posting the client/server logs here will help too, Also try allocating more RAM to it 3-4gb and see if it happens.Hey i am new to this whole forums thing. I have been following blast off for a few weeks now. Ever sense .9 i have been having an issue where everything is fine for a few moments and then i suddenly can not interact with any objects and when i break blocks i do not get an item back. i reload the game and it is as though nothing changes and the broken blocks are replaced. Not really sure how to explain it better. I love the pack so far but i don't really have much time in a day to play. Blast off is just about the only game i play these days.