Xzentkaos

So i was trying to make a server for me and my friend to play on but when running the forge for it the crash report came out with: ---- Minecraft Crash Report ---- WARNING: coremods are present: PokeradarLoadingPlugin (pokeradar-1-12-2-4.2.0.jar) CXLibraryCore (CXLibrary-1.12.1.jar) Contact their authors BEFORE contacting forge // Uh... Did I do that? Time: 08/06/19 23:28 Description: Exception in server tick loop net.minecraftforge.fml.common.LoaderException: java.lang.NoClassDefFoundError: net/minecraft/client/multiplayer/WorldClient at net.minecraftforge.fml.common.AutomaticEventSubscriber.inject(AutomaticEventSubscriber.java:89) 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$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116) at com.google.common.eventbus.EventBus.post(EventBus.java:217) at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:218) at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:196) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91) at com.google.common.eventbus.Subscriber$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$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116) at com.google.common.eventbus.EventBus.post(EventBus.java:217) at net.minecraftforge.fml.common.LoadController.distributeStateMessage(LoadController.java:135) at net.minecraftforge.fml.common.Loader.loadMods(Loader.java:593) at net.minecraftforge.fml.server.FMLServerHandler.beginServerLoading(FMLServerHandler.java:98) at net.minecraftforge.fml.common.FMLCommonHandler.onServerStart(FMLCommonHandler.java:333) at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:125) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:486) at java.lang.Thread.run(Unknown Source) Caused by: java.lang.NoClassDefFoundError: net/minecraft/client/multiplayer/WorldClient at java.lang.Class.getDeclaredMethods0(Native Method) at java.lang.Class.privateGetDeclaredMethods(Unknown Source) at java.lang.Class.privateGetPublicMethods(Unknown Source) at java.lang.Class.getMethods(Unknown Source) at net.minecraftforge.fml.common.eventhandler.EventBus.register(EventBus.java:82) at net.minecraftforge.fml.common.AutomaticEventSubscriber.inject(AutomaticEventSubscriber.java:82) ... 32 more Caused by: java.lang.ClassNotFoundException: net.minecraft.client.multiplayer.WorldClient at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) ... 38 more Caused by: net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerException: Exception in class transformer net.minecraftforge.fml.common.asm.transformers.SideTransformer@7a26928a from coremod FMLCorePlugin at net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerWrapper.transform(ASMTransformerWrapper.java:260) at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:279) at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:176) ... 40 more Caused by: java.lang.RuntimeException: Attempted to load class bsb for invalid side SERVER at net.minecraftforge.fml.common.asm.transformers.SideTransformer.transform(SideTransformer.java:62) at net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerWrapper.transform(ASMTransformerWrapper.java:256) ... 42 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_181, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 582442960 bytes (555 MB) / 811597824 bytes (774 MB) up to 1900019712 bytes (1812 MB) JVM Flags: 0 total; IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0 FML: MCP 9.42 Powered by Forge 14.23.5.2770 20 mods loaded, 20 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 | |:----- |:-------------------- |:----------------- |:---------------------------------------------- |:---------------------------------------- | | UC | minecraft | 1.12.2 | minecraft.jar | None | | UC | mcp | 9.42 | minecraft.jar | None | | UC | FML | 8.0.99.99 | forge-1.12.2-14.23.5.2770-universal.jar | e3c3d50c7c986df74c645c0ac54639741c90a557 | | UC | forge | 14.23.5.2770 | forge-1.12.2-14.23.5.2770-universal.jar | e3c3d50c7c986df74c645c0ac54639741c90a557 | | UC | cxlibrary | 1.6.1 | CXLibrary-1.12.1.jar | None | | UC | ichunutil | 7.2.0 | iChunUtil-1.12.2-7.2.0.jar | 4db5c2bd1b556f252a5b8b54b256d381b2a0a6b8 | | UE | imsm | 1.12 | Instant-Massive-Structures-Mod-1.12.jar | None | | U | ironchest | 1.12.2-7.0.59.842 | Iron-Chests-Mod-1.12.2.jar | None | | U | jei | 4.15.0.269 | jei_1.12.2-4.15.0.269.jar | None | | U | lucky | 7.5.0 | LuckyBlock-1.12.jar | None | | U | morefurnaces | 1.10.1 | More-Furnaces-Mod-1.12.1.jar | None | | U | cfm | 4.1.5 | MrCrayfishs-Furniture-Mod-1.12.1.jar | None | | U | pixelmon | 2.6.2 | PixelmonGenerations-1.12.2-2.6.2-universal.jar | None | | U | prefab | 1.3.0.25 | Prefab-Mod-1.12.2.jar | None | | U | zevac.survivalflight | 0.1.11 | Survival-Flight-Mod-1.12.2.jar | None | | U | bspkrscore | at_0.9 | TreeCapitator-Mod-1.12.jar | None | | U | treecapitator | at_0.9 | TreeCapitator-Mod-1.12.jar | None | | U | uncraftingtable | 1.8-beta6 | Uncrafting-Table-Mod-1.12.1.jar | None | | U | veinminer | 0.38.2 | VeinMiner-1.12-0.38.2.647+b31535a.jar | None | | U | veinminermodsupport | 0.38.2 | VeinMiner-1.12-0.38.2.647+b31535a.jar | None | Loaded coremods (and transformers): PokeradarLoadingPlugin (pokeradar-1-12-2-4.2.0.jar) pokeradar.asm.AllowedCharactersTransformer pokeradar.asm.UnlimitedCharactersTransformer pokeradar.asm.SimpleWrapperTransformer CXLibraryCore (CXLibrary-1.12.1.jar) cubex2.cxlibrary.CoreModTransformer Profiler Position: N/A (disabled) Is Modded: Definitely; Server brand changed to 'fml,forge' Type: Dedicated Server (map_server.txt) Can anyone help? I'm very new to this