Before Continuing:

• Check you are using the latest version of the mods and its dependencies
• Always include a latest.log if you are crashing
• Remove mod that enhances Minecraft: Optifine, Sodium, others. The issue persists.
• If you are unsure which mod is the culprit.
  Disable all of your mods and enable them 1-2 mods each time to isolate the culprit
• Confirm that there is no existing issue with a similar description submitted in the list of issues.

Version

1.20.1-FORGE

Supplementaries Version

supplementaries-1.20-2.8.15.jar

Moonlight Lib Version

moonlight-1.20-2.12.0-forge.jar

Issue Detail

The game crashed whilst initializing game
Error: java.lang.RuntimeException: null

Suppplimentary crash-2024-06-21_09.29.56-client.txt

i had the same issue, i use the latest version of moonlightlib and after setting supplementaries back to the version before it's working to join the server again. it's a bug with supplementaries