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this is what keeps coming up

---- Minecraft Crash Report ----
// Surprise! Haha. Well, this is awkward.

Time: 7/24/14 12:45 PM
Description: Exception in server tick loop

java.lang.NoClassDefFoundError: net/minecraft/client/renderer/entity/Render
at aom.AOM.<clinit>(AOM.java:46)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at cpw.mods.fml.common.FMLModContainer.constructMod(FMLModContainer.java:420)
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.EventSubscriber.handleEvent(EventSubscriber.java:74)
at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)
at com.google.common.eventbus.EventBus.post(EventBus.java:275)
at cpw.mods.fml.common.LoadController.sendEventToModContainer(LoadController.java:208)
at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:187)
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.EventSubscriber.handleEvent(EventSubscriber.java:74)
at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)
at com.google.common.eventbus.EventBus.post(EventBus.java:275)
at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:118)
at cpw.mods.fml.common.Loader.loadMods(Loader.java:492)
at cpw.mods.fml.server.FMLServerHandler.beginServerLoading(FMLServerHandler.java:87)
at cpw.mods.fml.common.FMLCommonHandler.onServerStart(FMLCommonHandler.java:313)
at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:117)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:387)
at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685)
Caused by: java.lang.ClassNotFoundException: net.minecraft.client.renderer.entity.Render
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:188)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 31 more
Caused by: java.lang.NullPointerException
at org.objectweb.asm.ClassReader.<init>(Unknown Source)
at cpw.mods.fml.common.asm.transformers.TerminalTransformer.transform(TerminalTransformer.java:14)
at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:276)
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:174)
... 33 more


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

-- System Details --
Details:
Minecraft Version: 1.7.10
Operating System: Windows 7 (amd64) version 6.1
Java Version: 1.7.0_60, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 359339096 bytes (342 MB) / 471859200 bytes (450 MB) up to 3814195200 bytes (3637 MB)
JVM Flags: 0 total;
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
FML: MCP v9.05 FML v7.10.24.1187 Minecraft Forge 10.13.0.1187 10 mods loaded, 10 mods active
mcp{9.05} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed
FML{7.10.24.1187} [Forge Mod Loader] (forge-1.7.10-10.13.0.1187-universal.jar) Unloaded->Constructed
Forge{10.13.0.1187} [Minecraft Forge] (forge-1.7.10-10.13.0.1187-universal.jar) Unloaded->Constructed
DC1{3.3.2.18} [KingCore] ([1.7.2] KingCore v3.3.2.18.jar) Unloaded->Constructed
StoneArmour{1.0.0.1} [Stone Armour] ([1.7.2M] StoneArmour v1.0.0.1.jar) Unloaded->Constructed
ToolHeads{1.1.1.3} [Tool Heads] ([1.7.2M] ToolHeads v1.1.1.3.jar) Unloaded->Constructed
BiomesOPlenty{2.0.2} [Biomes O' Plenty] (BiomesOPlenty-1.7.10-2.0.2.897-universal.jar) Unloaded->Constructed
ElementalCreepers{4.1.2} [Elemental Creepers] (Elemental Creepers-universal_1.7.2-4.1.2.jar) Unloaded->Constructed
ether{3.0} [ether] (ether-1.7.10-0.7.13.jar) Unloaded
cfm{3.3.2} [§6MrCrayfish's Furniture Mod] (MrCrayfishFurnitureModv3.3.2(1.7.2).jar) Unloaded
Profiler Position: N/A (disabled)
Is Modded: Definitely; Server brand changed to 'fml,forge'
Type: Dedicated Server (map_server.txt)

Are you sure all those 1.7.2 named mods are supposed to work with version 1.7.10?

1.7.2] KingCore v3.3.2.18.jar
1.7.2M] StoneArmour v1.0.0.1.jar
1.7.2M] ToolHeads v1.1.1.3.jar
Elemental Creepers-universal_1.7.2-4.1.2.jar

For example, isn't there a reason why there is [1.7.10] StoneArmour v1.0.0.1.jar on his downloads list?

Ozi

from what i read those are the more updated and compatible to forge. Unless im missing updates but they work on client and they were working on server (although stone armour doesnt work) but all of a sudden it crashed now the server won't go online.

Do you have a latest log you can post with all mods being 1.7.10?

Ozi