Version Information

• Minecraft: 1.20.6
• Fabric Loader: 0.16.2
• Fabric API: 0.100.4
• Lithium: 0.12.5 for MC 1.20.6

Crash Report Files

• Crash log 1
• Crash log 2

Steps to Reproduce the Issue

1. Place a hopper minecart with a repeating command block on top of it to facilitate item retrieval.
2. Configure the repeating command block to summon items.
3. The game crashes approximately 5 seconds after performing these actions.

Update

Note: This Issues exits only if "mixin.experimental" is set to true in lithium.properties

This bug exists only on Lithium: 0.12.3 to 0.12.35 for MC 1.20.6.

Tested on:

• Lithium: 0.13.0 and above (Fixed)
• Lithium: 0.12.3, 0.12.4, 0.12.5 (Bug present)

How to fix

1. Go to C:\Users\(userName)\AppData\Roaming\.minecraft\config\lithium.properties
   Note: (Replace (userName) with your user name)
2. Remove "mixin.experimental" or change its value to false

Are you using mixin.experimental=true ?

Are you using mixin.experimental=true ?

Yep

Don't.

Marking as invalid as this is already fixed versions