Luis_ST

the doc explains how to use an AT

use an AT an make them public, note you need to update them to server/client

post updated mods & minecraft folder

it can be that the mod file description is wrong, you need to test but if the game crashes, there is a high probability that you are using the wrong version of a mod

minecraft requires java.... (if this is a question)

are there mods in the folder, because your mods are in the main folder Edit: Also note that you use mods from different versions (1.16.2, 1.16.3, 1.16.4 and 1.16.5), and you use a Fabric mod

which version did you use because addPropertyOverride no longer exist and next time create a thread in the correct subforum, because this is not a gradle problem

1.15 is no longer supported on this forum. Please update to a modern version of Minecraft to receive support.

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the only thing that has changed is 1.17 uses mojang class names is this what you mean?

you shouldn't set the server ip

post the full log

post debug log

first: https://www.oracle.com/java/technologies/javase/codeconventions-namingconventions.html create a value inside your Entity which handles the rotation, update this value in the tick method of your Entity set the y rotaion of the main ModelRenderer (in your case Boomerang) to this value, do this in setRotationAngles of your Model class

you do this inside the model, show the model class

its public net.minecraft.world.gen.settings.DimensionStructuresSettings field_236193_d_ # structureConfig and if you want to remove final public-f net.minecraft.world.gen.settings.DimensionStructuresSettings field_236193_d_ # structureConfig

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stop using this code its broken! you should register the ConfiguredFeature

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a few other things that are wrong in your code: you can't store a value in a Field because the Event is fired for each Player you should use Capabilities instead your ClientEvents class is only client side so if you get the fields on server they are not set/have the default value you can fix the problem by using a Capability and sync them to the server in addition the PlayerEntity class has already methods which you can use server side (for sneaking: Entity#isShiftKeyDown, for jumping: LivingEntity.jumping but it's protected you should use Reflection or an AT)

this is your problem https://github.com/Manueh333/WinxClub-Reborn/blob/3eecb2e3892069ff0a7f3869a137cb1958b9bc6f/src/main/java/com/manueh/winxclubreborn/Server/ServerEvents.java#L15

learn basic java

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use your IDE, World -> Level TileEntity -> BlockEntity

post the link