MC-228113] Some world changes don't get saved in some worlds upgraded from 1.16.5 (caused by corrupted/modded world file) - Jira

1.16 and other versions won't generate or load worlds (stuck at 0%) · Issue #3423 · MultiMC/Launcher · GitHub

Something is wrong with my Minecraft Server world???? : r/admincraft

1.16.5 - I'm having the problem of not being able to generate a world due to pre-installed datapacks in my mods. - Support & Bug Reports - Forge Forums

Searching for a 1.16.5 Island World Gen Mod : r/feedthebeast

Server with existing world fails to load Create 0.5 · Issue #3279 · Creators-of-Create/Create · GitHub

Official Corrupted Save Recovery Thread - Discussion - Minecraft: Java Edition - Minecraft Forum - Minecraft Forum

How To Fix Corrupted Minecraft Worlds on Xbox After New Update! Failed To Sync World Data Fix!

World generation glitch in a previously loaded chunk without a disconnect - Discussion - Minecraft: Java Edition - Minecraft Forum - Minecraft Forum

Official Corrupted Save Recovery Thread - Discussion - Minecraft: Java Edition - Minecraft Forum - Minecraft Forum

Files corrupted or something else : r/Minecraft

🟣How To Fix A Corrupted Minecraft World Java Edition 2021

My Minecraft world corrupted when I updated it to 1.19 : r/Minecraft

Will my 1.16.5 minecraft world corrupt if i update it to 1.17? : r/Minecraft

Solved] [1.20.1] Unable to load world after PC crashed with it running - Java Edition Support - Support - Minecraft Forum - Minecraft Forum