Crash on Server (java.lang.NoClassDefFoundError: net/minecraft/client/renderer/block/statemap/StateMap)

[aking4125]

Hello, Upon attempting to load this mod onto a server. The server crashes with the following report:
crash-2024-10-11_08.58.17-server.txt

We are using Cleanroom, however even with Cleanroom the mod works in Single player. Any ideas?

debug.log