I'm kicked out of the game with the following message: "disconected because corruption of the world. Try to open again the worl or restore it with a safety copy. This happen specially when i travel long distances in minecart,  i pllay survival mode and i have build 6000 blocks long railway fron east to west and i can't use it. If i don't travel fa in mincart i can be playing hours without apparently problems, but if i travel far in minecart i'm expelled of the game. In few minutes. The duration of complete east west travel is twenty minutes of real time at maximun speed of the minecart. This problem is very annoying fix it as soon as posible, the last hotfix doesn't work well.