Minecraft version(s)

1.20.1

Minecraft version details

No response

Mod loader

Fabric

Mod loader version

Fabric Loader 0.15.6

Fabric API version

fabric-api-0.92.0

In what kind of world or server did the problem occur?

My multiplayer server that I was running

What went wrong? (Crash logs don't go here)

Me and my friend started survival server but I installed pehkui on it.

When I use it I see it reacting like I change to 6 blocks size but my friend sees me like normal 2 blocks tall player.

Can someone help I cant find the answer.

Full list of installed mods and their version numbers

EasyAuth
easyauth-mc1.20-3.0.19.jar
fabric-api-0.92.0+1.20.1.jar
fabric-language-kotlin-1.10.18+kotlin.1.9.22.jar
lithium-fabric-mc1.20.1-0.11.2.jar
Origins-1.20.1-1.10.0.jar
Pehkui-3.7.12+1.14.4-1.20.4.jar
ViaVersion-4.10.0-24w07a-SNAPSHOT.jar
voicechat-fabric-1.20.1-2.5.4.jar

Did the problem cause the game to crash?

No.

Full crash report contents (if you experienced a crash)

Crash report output: