terracota glitch

[zrannx]

Describe the bug
When downloading a world , every structure and terrain turns into pure terracota blocks

To Reproduce
Steps to reproduce the behavior:

1. join a random server with the worlds option
2. load chunks (the map in hand shows just a terracota plain)
3. leave and save the world
4. join the world and everything will be turned into terracota cubes

Screenshots
just imgine a flat world made of terracota filled with random cubes

Desktop (please complete the following information):

• OS: windows
• Version: latest
• Minecraft Version: latest

Edit:
The glitch only occurs on realms/bds and some external servers.

[fruit-jazz]

I have the same problem, I understand it's because of bds

[HiveLanky]

Same Bug here.

[HiveLanky]

It lets me download servers perfectly but when I try downloading realms thats when I get this bug.

[afarhansib]

same bug, works with geyser proxy (java server). doesn't work with realm/bds

[PeawGitHub]

Any fixs for this? I'm having the same issue with a server. Chunks I load are just filled with a custom block the server has, so the world is just out of large brown cubes.