Modpack version
1.72a

Issue
When on a server (both updated and fresh install) having a dank/null with cobblestone crashes the client. I assume that the crash will occur with other items/blocks in the dank/null but have not tested it yet. Single player does not cause this crash however.

Replication

• Start a new world or a pre-existing one on a server
• Spawn/create dank/null
• Add cobblestone to the dank/null inventory by opening GUI

Logs
(updated from 1.72 to 1.72a)
https://pastebin.com/JfzCfGrY
https://pastebin.com/7d7FFgUb

(fresh install)
https://pastebin.com/fxSbLHz3
https://pastebin.com/MiwyrAEd

Edit: adding latest server log
2019-11-24-2.log

Yeah I'd be willing to. what do I have to do?

Edit: Nvm i just saw the hotfix, i'll test it in a bit.

Seems the hotfix worked, no issues. Thanks for the patch. :)

Thanks for the detailed report! :) I'm uploading a hotfix as we speak, would you mind testing that out?

Sure, thanks for the help :D