server crash when entering in otherside portal (1.20.1) [fabric]

[LuisFellp]

Minecraft Version: 1.20.1 Mod Version: 1.3.3 Mod Loader: fabric

Description: when entering the portal for the otherside dimension my server freezes. same happens in single player.

To Reproduce: Steps to reproduce the behavior:

1. Go to ancient city
2. Click on portal with warden heart
3. Enter the portal
4. See error

Screenshots: If applicable, add screenshots to help explain your problem.

Additional context:

crash-2025-06-23_20.59.13-server.txt

withou c2me

crash-2025-06-23_21.20.24-server.txt

[BrettPlays]

Also having this issue!

[Zeroxeron]

Same happened to me, the server just freezes

UPD: Tried to enter from another city's portal and succeded without issues. UPD2: Crashed after some wall mining 🥺

crash-2025-09-23_13.37.02-server.txt