Server Crashes causing weird world corruption.

[RExt]

Hello tekkit world. I'm Rext and recently I have been attempting to play some simple tekkit. However we have encountered a few server side issues. I'm sorry if these errors have already been posted, I'm new to the forums so sorry for any waste of time. The Errors have really been unusual.

First off, one error that was major was this. One time when we loaded the world back up half the world was like generated with half another seed. Like a mountain was split clean in half and a random swamp biome began.

Also, I had pretty much every item I had in the academical bags and when I opened them they were empty.

There were other errors but I figured if anyone can solve these major ones or knows how to prevent them that would be great.