Describe the bug
So I have immersive railradoing installed on my minecraft server and after some restarts I have broken rails on WHOLE map

How to reproduce
Steps to reproduce the unwanted behavior:

1. All is normal
2. Run save-all command and restart server
3. Get bug

Expected behavior
After every restart I can use rails, but the last time - all rails are broken.

Screenshots
here is, under rail we need gravel, and we don't see it. also why rails in one block?

System Information
OS: Windows 10

System Memory: 16 gb

Allocated Memory: 8 gb

CPU: Xeon E5 2620

GPU: 1050 ti

IR-Version: 1.9.1-7267b6a

Forge-Version: 1.12.2 - 14.23.5.2859

Modlist

latest.log
http://api.bxteam.gq/latest.log (pastebin don't approve log, uploaded to my api)

Additional context
No

I have the same issue on my 1.16.5 server

Think it's a bug with IR and Essentials