Description:

• When placed and powered, the Slaughter block crashes the game/server.

Steps to Reproduce:

• Make a new world
• Place a slaughter and a power source (used creative Lazuli Flux Container)
• World should crash in a few seconds of it being active
  Technical Information:
• Minecraft: 1.17
• Fabric API: 0.36.0
• Industrial Revolution: 1.10.0-alpha.5
• Modpack: Custom, see logs

Logs:
https://gist.githubusercontent.com/natanfudge/dffc0f78b6b5905b5517a6aeb95a727b/raw/ef6854a0892ff418b79be2ed2069e1f432ea28d9/crash.txt

Details:

It's an incompatibility with one of the mods, specifically ne-v-seti: Ne v seti 0.1.5-1.17-pre1. This will crash with any fake players from any mod, they have to fix it on their end.