When using a world in the newer snapshot, going back to 1.12.2 on the same world crashes when exiting via the Esc menu. Also everything in the world get deleted!
MC-126781
1.12.2 Crashing
Resolved
Awaiting Response
0
We do not have enough information to find the cause of this issue.
Please attach the crash report found in
[minecraft/crash-reports/crash-<DATE>-client.txt|http://hopper.minecraft.net/help/guides/finding-minecraft-data-folder]here.If you cannot find a crash report, please attach the full launcher log found in
[minecraft/launcher_log.txt|http://hopper.minecraft.net/help/guides/minecraft-logs/].This issue has been temporarily closed as Awaiting Response. Once the requested information has been delivered, the report will be reopened automatically.
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