General Info

• I am running a modpack
• I can reproduce this issue consistently in single-player
• I can reproduce this issue consistently in multi-player
• I have searched for this issue previously and it was either (1) not previously reported, or (2) previously fixed and I am having the same problem.
• I am crashing and can provide my crash report(s)
• I am using the latest version of the mod

Loader version

Fabric 0.14.22

Minecraft version

1.20.1

Mod version

Lunar-fabric-1.20.1-0.1.4

Java version

Java 8 Update 341

Issue Description

Cant start the game again ^^"

Additional Information

https://pastebin.com/tKnqEWm3

Are you sure it's Lunar? As I don't see anything pointing to Lunar

It works without Lunar, thats why im suspecting it. But it could be some other mod comp. - not sure about that ^^"

I have a test version for you to try to see if it fixes it, if it does I'll have it published (I have to upload it as a zip as Github won't allow me to upload .jar files)
So please unzip it first as the jar is inside of the zip.
0.1.5.zip

Unfortunately it didnt work :(
Heres the new log:
https://pastebin.com/47AwhDyL

It says the exact same thing. I tried to disable the mods mentioned like addittionalattributes, animatica, etc. -> but it always comes another mod after another new mod that couldnt start due to prelaunch ^^"

Yeah I have no clue, I tried to see if Lunar is somehow incompatible with Animatica but I was even able to load with that mod

Ill try to disable some mods if ive got time, maybe ill find the cause :)

I got this problem if I try to enter a brand new world. It works fine if I don't have lunar installed.
These all the mods I've loaded:

• Lunar-fabric-1.20.1-0.1.4
• cloth-config-11.1.106-fabric
• fabric-api-0.87.0+1.20.1

@Sickelmo83 Please in the future create a separate issue, your issue is unrelated to this issue (I did fix it though and a new build is being uploaded)

MixinTargetAlreadyLoadedException.

You load the Constants class in your mixin plugin onLoad event, which loads the Identity/ResourceLocation class among others, which causes those classes to load whatever they reference creating a chain of events leading to Mixin trying to modify classes you have force-loaded WAY too early.

Ill try to disable some mods if ive got time, maybe ill find the cause :)

Could you test Lunar-fabric-1.20.1-0.1.5.1.zip? I've changed the reference to Constants to a simple System.out.println as to not load the Constants class too early.

Sure I will try it this evening :)

The game/server starts now!
But it crashes after the world is created, heres the crash log and latest.log
https://gist.github.com/pewblaze/0536d64daa2ff26259d088c71d35601e

Ah but that's an easy fix 😮 Will publish a new build that should once and for all fix this issue :)

you may want to look into abstracting SyncEventMessage so that the logic is all common, then extend/implement from the platforms for platform specific actions. That way you arent chasing the same bug on both sides with copied logic. Fabric side offers FabricPacket with a "write" method that could directly call the super encode to write the buffer instead of having the packet writing in 2 places, and the packet type creation would utilize the existing decode function through a similar super call