Describe the bug
server instantly crashed when i used /setblock to place the chunk loader

Steps to Reproduce
Steps to reproduce the behavior:

• use /setblock command to place the chunk loader on a 1.16.5 server.

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

Environment (please complete the following information with the version):

• Minecraft: 1.16.5
• Mod Loader: fabric

Logs
Pastebin the log [e.g. logs/latest.log] and link it below:
chunk loader crash

Additional context
was hosted on bisecthosting