Possible Fixes

Yes

Modpack Version

1.15

What happened?

"See title"

Solution:
Update to newer Journeymap version: https://www.curseforge.com/minecraft/mc-mods/journeymap/files/5866552

I have updated and tested it. since my game crashed every time I died and went to my death location.

Crash Log

https://gist.github.com/Tim-Odermatt/43dbf354899aa1700e3d5e101227d56e

Latest.Log

No response