hey there heres a crash log on my dedicated server
crash-2021-12-26_19.42.23-fml.txt

Thanks for reporting this! Just patched it in 225c975.
I hadn't had a chance to test it on a dedicated server, which is why it was marked as alpha on CurseForge.

v0.1.0 is now live with the fix:
CurseForge: https://mc-mods.cf/super-circuit-maker/files/3581169
GitHub: https://github.com/TechnicalitiesMC/SuperCircuitMaker/releases/tag/v0.1.0