Describe the bug
Placing a solar panel in the world and restarting the server causes a complete lock up upon loading the world either triggering the watchdog or completely freezing require a force kill if the watchdog timer is disabled. The client sees an empty world which triggers the crash, with no clients the server doesn't appear to crash.

Steps to Reproduce
Steps to reproduce the behavior:

• Place any basic solar panel in the world
• Restart server and attempt to rejoin

Screenshots
If applicable, add screenshots to help explain your problem.
https://imgur.com/a/T1M907u

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

• Minecraft: 1.15.2
• Mod Loader: Fabric 0.8.2+build.194

Logs
Pastebin the log [e.g. logs/latest.log] and link it below:
https://pastebin.com/0f6wU9BE

Additional context
While testing the bug to fully narrow down the reproducing steps, it seems I found another issue that is related. I created an empty creative world on the same server, placed a single basic solar panel down in the vicinity of the spawn and restarted the server (typing stop in console, waiting for it to stop then starting again). This caused the server to freeze on "Preparing spawn area", unlike the previous crashes which only occured after the player loaded in. See: https://pastebin.com/sbctZfiA

I'm experiencing the same crash: https://pastebin.com/i4XfpGSy

Appears to be an incompatblity with the chainmail mod

Sorry, Issue was on my part, updating Torcherino to 2.11.66 will fix this issue.

I'm seeing this as well and I've not got the chainmail mod in the mix.

I'll see if I can reliably reproduce this on a new creative server with just Tech Reborn plus deps and report back.

Sorry for the noise, I mistyped a grep; removing chainmail (via expandedstorage) does indeed stop the crash.