Internal Exception: io.netty.handler.codec.DecoderException: Unknown serializer type 23

[juju]

Hi! I am currently having this issue when logging into my fabric-modded server. Does anyone know how to fix this problem? 
Issue: Internal Exception: io.netty.handler.codec.DecoderException: Unknown serializer type 23

 

[TileEntity]

Add the crash-report or latest.log (logs-folder) with sites like https://paste.ee/ and paste the link to it here

 

[juju]

Sorry for the late reply but here it is. 

latest.log Link: https://paste.ee/p/xLTTw

 

[TileEntity]

Also add the log from the client after such a disconnect

[juju]

What do you mean by this? 

 

[TileEntity]

Add the latest.log from your launchers logs-folder

[Paint_Ninja]

This is the Forge forums. Fabric isn't supported here.