Minecraft crashes when loading one specific world (no mods)

Question

My Minecraft world crashes every time I try to load it. Other worlds work without any problems, but this one closes the game after a few seconds. I didn't install any new mods or resource packs. Is there a way to recover my world without losing my progress?

Erdem · Accepted Answer

Since only that one world dies and the rest are fine, the problem is almost certainly inside the world folder itself — a corrupted chunk, entity, or level.dat. Mods aren't required for this to happen; a crash during save, a power cut, or an unclean game close will do it. Before you touch anything: copy the world folder somewhere safe.

Jamiryo · Answer

Solid answer — this is exactly the right order of operations. Two things worth underlining for anyone finding this later: Copy the world folder first. Everything past step 2 is destructive, and MCA Selector has no undo. Try the entity-only delete before nuking the chunk. Most "crashes a few seconds after load" cases are a single broken entity, not the terrain around it. Deleting the whole chunk when you didn't need to is how people lose their base.

Minecraft crashes when loading one specific world (no mods)

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