Advancements gets wiped and teleportation to the ceiling broke

[Up-an-Down]

Bug Description

Advancement book wiped and teleporting to the casing of the world broke

Did this behavior use to work in the previous version?

Dont tried

Steps to Reproduce (for bugs)

1. Exit the world
2. Enter the world

Logs

• Client/Server Log: https://gist.github.com/Up-an-Down/cce05db546a0c31ad354cbc5ce5fa4b8
• Crash Log:

World Information

• World Preset: SF4 Tutorial
• Prestige Enabled: No
• Modpack Version world created in: 4.2.4
• Additional Content Installed: No

Client Information

• Modpack Version: 4.2.4
• Java Version: Recommended
• Launcher Used: FTB App
• Memory Allocated: 4096 Mb
• Server/LAN/Single Player: Singleplayer
• Optifine Installed: No
• Shaders Enabled: No

[sam-kirby]

Did you experience a power cut or otherwise have to force stop the game?

This sounds like corrupted data; the simplest resolution is to restore a backup of your world; backups are automatically made every 30 minutes and are stored in the backups directory inside the instance folder.