Minecraft Forums

Hello, ive been attempting tp add this mod to my server so that i and a friend may begin work on a huge custom map using this mod that will be at least 2500 by 2500 blocks. It will be a huge open world RPG, and when it is done i will host a server for people to play on it, as well as releasing a single player(co-op) map.
I installed forge and it worked just infe, however, when i added in the mod, (latest version forge as well as mod) it crashed my server andf wouldnt even start it. I followed the directions to instakll it over and over wherever i could find it. i will include the crash report below, however as this is my second post ever on the site, i am unaware of how to spoikler, so if it is not under a spoiler i apologize.


(spoiler) (code) ---- Minecraft Crash Report ----
// Who set us up the TNT?

Time: 6/24/13 5:00 AM
Description: Exception in server tick loop

cpw.mods.fml.common.LoaderException: java.lang.NoClassDefFoundError: net/minecraft/client/multiplayer/WorldClient
at cpw.mods.fml.common.LoadController.transition(LoadController.java:147)
at cpw.mods.fml.common.Loader.initializeMods(Loader.java:692)
at cpw.mods.fml.server.FMLServerHandler.finishServerLoading(FMLServerHandler.java:93)
at cpw.mods.fml.common.FMLCommonHandler.onServerStarted(FMLCommonHandler.java:355)
at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:141)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:431)
at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:573)
Caused by: java.lang.NoClassDefFoundError: net/minecraft/client/multiplayer/WorldClient
at net.minecraftforge.client.MinecraftForgeClient.getStencilBits(MinecraftForgeClient.java:64)
at net.minecraftforge.client.MinecraftForgeClient.<clinit>(MinecraftForgeClient.java:68)
at noppes.npcs.items.ItemNpcInterface.<init>(ItemNpcInterface.java:20)
at noppes.npcs.items.ItemMusic.<init>(ItemMusic.java:11)
at noppes.npcs.items.ItemBanjo.<init>(ItemBanjo.java:8)
at noppes.npcs.CustomItems.load(CustomItems.java:145)
at noppes.npcs.CustomNpcs.load(CustomNpcs.java:139)
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 cpw.mods.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:494)
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.EventHandler.handleEvent(EventHandler.java:74)
at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:314)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296)
at com.google.common.eventbus.EventBus.post(EventBus.java:267)
at cpw.mods.fml.common.LoadController.sendEventToModContainer(LoadController.java:192)
at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:172)
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.EventHandler.handleEvent(EventHandler.java:74)
at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:314)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296)
at com.google.common.eventbus.EventBus.post(EventBus.java:267)
at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:103)
at cpw.mods.fml.common.Loader.initializeMods(Loader.java:691)
... 5 more
Caused by: java.lang.ClassNotFoundException: net.minecraft.client.multiplayer.WorldClient
at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:238)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 39 more
Caused by: java.lang.RuntimeException: Attempted to load class bds for invalid side SERVER
at cpw.mods.fml.common.asm.transformers.SideTransformer.transform(SideTransformer.java:50)
at cpw.mods.fml.relauncher.RelaunchClassLoader.runTransformers(RelaunchClassLoader.java:352)
at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:225)
... 41 more


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- System Details --
Details:
Minecraft Version: 1.5.2
Operating System: Windows Vista (amd64) version 6.0
Java Version: 1.7.0_21, Oracle Corporation
Java VM Version: Java HotSpot™ 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 243801888 bytes (232 MB) / 280756224 bytes (267 MB) up to 1431699456 bytes (1365 MB)
JVM Flags: 0 total;
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Suspicious classes: FML and Forge are installed
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
FML: MCP v7.51 FML v5.2.23.738 Minecraft Forge 7.8.1.738 4 mods loaded, 4 mods active
mcp{7.51} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized
FML{5.2.23.738} [Forge Mod Loader] (coremods) Unloaded->Constructed->Pre-initialized->Initialized
Forge{7.8.1.738} [Minecraft Forge] (coremods) Unloaded->Constructed->Pre-initialized->Initialized
CustomNpcs{0.8} [CustomNpcs] (CustomNPCs_1.5.2.zip) Unloaded->Constructed->Pre-initialized->Errored
Profiler Position: N/A (disabled)
Is Modded: Definitely; Server brand changed to 'fml,forge'
Type: Dedicated Server (map_server.txt)
(Spoiler) (code)