Game crashed after loading a future block/block trying to get into my world

Step 1 of crashing by future block in single player
Get the biggest map possible in minecraft
Step 2
Explore the outside edge of the map
Step 3
Crash one time to be fine the next time to play
Step 4
Walk 20 blocks to crash by a future block
Step 5
Cant get back on to single player server after that happens
Step 6
Crash to moving camera