Possible Fixes

Yes

Modpack Version

2.1.4

What happened?

Could not check 2.3.0 Version of modpack :/

Well because I am totally clueless I will just provide the crash report, maybe somebody has an idea/solution for it. But I think it has something to do with malum and its spirit altar... is there someway to remove this block on a modded server without the ability to log in?^^

Crash Log

https://gist.github.com/4shari/c9a0fdf7249cef4e3693796cc9ba0689