-- Head --
Thread: main
Suspected Mod: 
        Moonlight Library (moonlight), Version: 1.20-2.13.55
                Issue tracker URL: https://github.com/MehVahdJukaar/Moonlight/issues
                at TRANSFORMER/moonlight@1.20-2.13.55/net.mehvahdjukaar.moonlight.api.resources.pack.DynClientResourcesGenerator.<init>(DynClientResourcesGenerator.java:26)
Stacktrace:
        at net.mehvahdjukaar.moonlight.api.resources.pack.DynClientResourcesGenerator.<init>(DynClientResourcesGenerator.java:26) ~[moonlight-1.20-2.13.55-forge.jar%23390!/:?] {re:classloading}
-- MOD copperative --
Details:
        Caused by 0: java.lang.ExceptionInInitializerError
                at galena.copperative.client.DynamicCopperativeDataPack.<init>(DynamicCopperativeDataPack.java:34) ~[Copperative%201.20.1--1.1.0.jar%23327!/:1.1.0] {re:classloading}
                at galena.copperative.client.DynamicCopperativeDataPack.<clinit>(DynamicCopperativeDataPack.java:23) ~[Copperative%201.20.1--1.1.0.jar%23327!/:1.1.0] {re:classloading}
                at galena.copperative.Copperative.<init>(Copperative.java:40) ~[Copperative%201.20.1--1.1.0.jar%23327!/:1.1.0] {re:classloading}
                at jdk.internal.reflect.DirectConstructorHandleAccessor.newInstance(DirectConstructorHandleAccessor.java:62) ~[?:?] {}
                at java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:502) ~[?:?] {}
                at java.lang.reflect.Constructor.newInstance(Constructor.java:486) ~[?:?] {}
                at net.minecraftforge.fml.javafmlmod.FMLModContainer.constructMod(FMLModContainer.java:77) ~[javafmllanguage-1.20.1-47.3.12.jar%23471!/:?] {}
                at net.minecraftforge.fml.ModContainer.lambda$buildTransitionHandler$4(ModContainer.java:124) ~[fmlcore-1.20.1-47.3.12.jar%23470!/:?] {}
                at java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1804) ~[?:?] {}
                at java.util.concurrent.CompletableFuture$AsyncRun.exec(CompletableFuture.java:1796) ~[?:?] {}
                at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:387) ~[?:?] {}
                at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1312) ~[?:?] {}
                at java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1843) ~[?:?] {re:mixin,re:computing_frames}
                at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1808) ~[?:?] {re:mixin,re:computing_frames}
                at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:188) ~[?:?] {re:mixin}

        Mod File: /home/********/mods/Copperative 1.20.1--1.1.0.jar
        Failure message: Copperative (copperative) has failed to load correctly
                java.lang.ExceptionInInitializerError: null
        Mod Version: 1.1.0
        Mod Issue URL: https://github.com/xaidee/copperative/issues/
        Exception message: java.lang.IllegalStateException: Client only class registered on server side! Issue from modcopperative
Stacktrace:
        at net.mehvahdjukaar.moonlight.api.resources.pack.DynClientResourcesGenerator.<init>(DynClientResourcesGenerator.java:26) ~[moonlight-1.20-2.13.55-forge.jar%23390!/:?] {re:classloading}
        at galena.copperative.client.DynamicCopperativeResourcePack.<init>(DynamicCopperativeResourcePack.java:35) ~[Copperative%201.20.1--1.1.0.jar%23327!/:1.1.0] {re:classloading}
        at galena.copperative.client.DynamicCopperativeResourcePack.<clinit>(DynamicCopperativeResourcePack.java:32) ~[Copperative%201.20.1--1.1.0.jar%23327!/:1.1.0] {re:classloading}
        at galena.copperative.client.DynamicCopperativeDataPack.<init>(DynamicCopperativeDataPack.java:34) ~[Copperative%201.20.1--1.1.0.jar%23327!/:1.1.0] {re:classloading}
        at galena.copperative.client.DynamicCopperativeDataPack.<clinit>(DynamicCopperativeDataPack.java:23) ~[Copperative%201.20.1--1.1.0.jar%23327!/:1.1.0] {re:classloading}
        at galena.copperative.Copperative.<init>(Copperative.java:40) ~[Copperative%201.20.1--1.1.0.jar%23327!/:1.1.0] {re:classloading}
        at jdk.internal.reflect.DirectConstructorHandleAccessor.newInstance(DirectConstructorHandleAccessor.java:62) ~[?:?] {}
        at java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:502) ~[?:?] {}
        at java.lang.reflect.Constructor.newInstance(Constructor.java:486) ~[?:?] {}
        at net.minecraftforge.fml.javafmlmod.FMLModContainer.constructMod(FMLModContainer.java:77) ~[javafmllanguage-1.20.1-47.3.12.jar%23471!/:?] {}
        at net.minecraftforge.fml.ModContainer.lambda$buildTransitionHandler$4(ModContainer.java:124) ~[fmlcore-1.20.1-47.3.12.jar%23470!/:?] {}
        at java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1804) ~[?:?] {}
        at java.util.concurrent.CompletableFuture$AsyncRun.exec(CompletableFuture.java:1796) ~[?:?] {}
        at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:387) ~[?:?] {}
        at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1312) ~[?:?] {}
        at java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1843) ~[?:?] {re:mixin,re:computing_frames}
        at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1808) ~[?:?] {re:mixin,re:computing_frames}
        at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:188) ~[?:?] {re:mixin}