So i might need some help.
 
	every time i add either too many items or not enough items version 1.7.10 to my server it keeps crashing .
 
	any idea why?
 
	 
 
	 
 
	 
 
	Description: Exception in server tick loop
 
	java.lang.NoClassDefFoundError: net/minecraft/client/Minecraft 
	    at TMIConfig.isMultiplayer(TMIConfig.java:87) 
	    at TMIForgeContainer.playerInteract(TMIForgeContainer.java:48) 
	    at cpw.mods.fml.common.eventhandler.ASMEventHandler_1_TMIForgeContainer_playerInteract_PlayerInteractEvent.invoke(.dynamic) 
	    at cpw.mods.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:54) 
	    at cpw.mods.fml.common.eventhandler.EventBus.post(EventBus.java:140) 
	    at net.minecraftforge.event.ForgeEventFactory.onPlayerInteract(ForgeEventFactory.java:100) 
	    at net.minecraft.server.management.ItemInWorldManager.func_73078_a(ItemInWorldManager.java:353) 
	    at net.minecraft.network.NetHandlerPlayServer.func_147346_a(NetHandlerPlayServer.java:556) 
	    at net.minecraft.network.play.client.C08PacketPlayerBlockPlacement.func_148833_a(SourceFile:60) 
	    at net.minecraft.network.play.client.C08PacketPlayerBlockPlacement.func_148833_a(SourceFile:9) 
	    at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:212) 
	    at net.minecraft.network.NetworkSystem.func_151269_c(NetworkSystem.java:165) 
	    at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:659) 
	    at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:334) 
	    at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:547) 
	    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:427) 
	    at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685) 
	Caused by: java.lang.ClassNotFoundException: net.minecraft.client.Minecraft 
	    at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191) 
	    at java.lang.ClassLoader.loadClass(ClassLoader.java:424) 
	    at java.lang.ClassLoader.loadClass(ClassLoader.java:357) 
	    ... 17 more 
	Caused by: java.lang.RuntimeException: Attempted to load class bao for invalid side SERVER 
	    at cpw.mods.fml.common.asm.transformers.SideTransformer.transform(SideTransformer.java:50) 
	    at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:279) 
	    at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:176) 
	    ... 19 more