Neon_KnightYT

ok

I'm new to starting my own server for myself and friends and I'm trying to start a pixelmon Server. Someone please help. ---- Minecraft Crash Report ---- // Shall we play a game? Time: 3/10/21 2:37 PM Description: Exception in server tick loop java.lang.NoClassDefFoundError: net/minecraft/client/gui/GuiScreen at de.keksuccino.konkrete.Konkrete.<init>(Konkrete.java:23) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at java.lang.Class.newInstance(Unknown Source) at net.minecraftforge.fml.common.ILanguageAdapter$JavaAdapter.getNewInstance(ILanguageAdapter.java:191) at net.minecraftforge.fml.common.FMLModContainer.constructMod(FMLModContainer.java:599) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91) at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150) at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76) at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399) at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71) at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116) at com.google.common.eventbus.EventBus.post(EventBus.java:217) at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:219) at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:197) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91) at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150) at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76) at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399) at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71) at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116) at com.google.common.eventbus.EventBus.post(EventBus.java:217) at net.minecraftforge.fml.common.LoadController.distributeStateMessage(LoadController.java:136) at net.minecraftforge.fml.common.Loader.loadMods(Loader.java:595) at net.minecraftforge.fml.server.FMLServerHandler.beginServerLoading(FMLServerHandler.java:98) at net.minecraftforge.fml.common.FMLCommonHandler.onServerStart(FMLCommonHandler.java:333) at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:125) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:486) at java.lang.Thread.run(Unknown Source) Caused by: java.lang.ClassNotFoundException: net.minecraft.client.gui.GuiScreen at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) ... 39 more Caused by: net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerException: Exception in class transformer net.minecraftforge.fml.common.asm.transformers.SideTransformer@4248ed58 from coremod FMLCorePlugin at net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerWrapper.transform(ASMTransformerWrapper.java:260) at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:279) at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:176) ... 41 more Caused by: java.lang.RuntimeException: Attempted to load class blk for invalid side SERVER at net.minecraftforge.fml.common.asm.transformers.SideTransformer.transform(SideTransformer.java:62) at net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerWrapper.transform(ASMTransformerWrapper.java:256) ... 43 more A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- System Details -- Details: Minecraft Version: 1.12.2 Operating System: Windows 10 (amd64) version 10.0 Java Version: 1.8.0_301, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 8407526424 bytes (8018 MB) / 8589934592 bytes (8192 MB) up to 8589934592 bytes (8192 MB) JVM Flags: 11 total; -Xmx8G -Xms8G -XX:+UseG1GC -XX:+UnlockExperimentalVMOptions -XX:MaxGCPauseMillis=100 -XX:+DisableExplicitGC -XX:TargetSurvivorRatio=90 -XX:G1NewSizePercent=50 -XX:G1MaxNewSizePercent=80 -XX:G1MixedGCLiveThresholdPercent=50 -XX:+AlwaysPreTouch IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0 FML: MCP 9.42 Powered by Forge 14.23.5.2854 13 mods loaded, 13 mods active States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored | State | ID | Version | Source | Signature | |:----- |:-------------- |:------------ |:--------------------------------------------- |:---------------------------------------- | | LC | minecraft | 1.12.2 | minecraft.jar | None | | LC | mcp | 9.42 | minecraft.jar | None | | LC | FML | 8.0.99.99 | forgeserver.jar | e3c3d50c7c986df74c645c0ac54639741c90a557 | | LC | forge | 14.23.5.2854 | forgeserver.jar | e3c3d50c7c986df74c645c0ac54639741c90a557 | | LC | biomesoplenty | 7.0.1.2444 | BiomesOPlenty-1.12.2-7.0.1.2444-universal.jar | None | | LC | bop_patch | 1.0 | BOP-Patch-1.0.jar | None | | L | konkrete | 1.0.3 | konkrete_1.0.3_MC_1.12-1.12.2.jar | None | | L | fancymenu | 1.5.2 | fancymenu_1.5.2_MC_1.12-1.12.2.jar | None | | L | pixelmon | 8.3.0 | Pixelmon-1.12.2-8.3.0-universal.jar | None | | L | gameshark | 6.0.4 | Gameshark-1.12.2-6.0.4-universal.jar | None | | L | journeymap | 1.12.2-5.7.1 | journeymap-1.12.2-5.7.1.jar | None | | L | naturescompass | 1.8.5 | NaturesCompass-1.12.2-1.8.5.jar | None | | L | pixelextras | 2.5.12 | PixelExtras-1.12.2-2.5.12-universal.jar | None | Loaded coremods (and transformers): Profiler Position: N/A (disabled) Is Modded: Definitely; Server brand changed to 'fml,forge' Type: Dedicated Server (map_server.txt)