Version
lithium-fabric-0.21.1+mc1.21.11
Other mod
ArmorPoser-fabric-1.21.11-13.0.0
Reproduction Steps
- Place an armor statue.
- Shift right-click the armor statue to open the Armor Poser GUI.
- Click one of the property buttons (e.g., enable invisibility).
- (internal) Server crashes.
Crash (Report File)
Internal Exception: io.netty.handler.codec.DecoderException: java.io.IOException: Packet play/serverbound/minecraft:custom_payload (class_2817) was larger than I expected, found 635 bytes extra whilst reading packet serverbound/minecraft:custom_payload
Additional Information
I have confirmed that this issue does not happen without Lithium installed. The issue was found with multiple other mods enabled, but given that turning Lithium off fixes the issue, I have assumed the error lies there.