Hope this gets fixed soon.

When attempting to do so with Chest Cavity 2.16.3 and Roughly Enough Items 9.1.517, I get the error reported by Mattabase in singleplayer, but can continue past it and it seems to function fine.

However, attempting to load this into a server space seems to be a critical failure and causes a crash-to-desktop. Looking through the errors spat out during server load, it definitely seems to be caused by this mod's incompatibility.

Caused by: java.lang.RuntimeException: Rerached side issue when loading REI plugin by Chest Cavity. Please use "rei_server", "rei_client" or "rei_common" instead.

Get same issue today. Both newest version.

I have also encountered this issue.