I am at least 1500 hours into a save.
Everything so far has been fine.
Today I loaded my world and began to explore a new area. My character would exit my spawn area via nether portal. I would exit the portal (an area that I have been working in) and began to travel in more or less a straight line diagonally. Within about five minutes of travelling the game would freeze for a second and then the game would close. I have tried relaunching and starting from where it crashed the game but the game crashes and closes again. I have tried restoring the game to an earlier point (app: 30 minutes) and then relaunching. The game loads but when I try to re-run the experiment (i.e - explore the same region) the game crashes and closes once again.
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However, this issue has been closed as a Duplicate.
It has been linked to MC-125134. If you have additional information, please add it to the duplicated report.
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Probably something with the chunk at 55,71;