Hello,

there are 3 ghost slots and inserting an item on one of these slots let the game crash.

Crash log:
crash-2023-09-21_00.42.57-client.txt

Multiplayer or Singleplayer: Multiplayer, but the crash is only client side
MC: 1.20.1
Loader: Forge
Scannables: forge-1.7.9+b77b069
Architectury: 9.1.12 - forge

• 57 more mods on the client and less on the server.

Thanks a lot for reporting!