Mod pack server crashing

[Belliss]

Hi i'm trying to make my own modpack for me and a couple of friends, client side the mods are running fine. however, when I try and start/load the mods on the server it keeps crashing here is the report any help is appreciated! 

---- Minecraft Crash Report ----
// This doesn't make any sense!

Time: 12/5/16 6:03 PM
Description: Exception in server tick loop

java.lang.NoClassDefFoundError: net/minecraft/client/entity/EntityClientPlayerMP
    at mod_MouseTweaks.load(mod_MouseTweaks.java:23)
    at cpw.mods.fml.common.modloader.ModLoaderModContainer.init(ModLoaderModContainer.java:539)
    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:313)
    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:201)
    at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:181)
    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:313)
    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:112)
    at cpw.mods.fml.common.Loader.initializeMods(Loader.java:699)
    at cpw.mods.fml.server.FMLServerHandler.finishServerLoading(FMLServerHandler.java:107)
    at cpw.mods.fml.common.FMLCommonHandler.onServerStarted(FMLCommonHandler.java:355)
    at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:142)
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:445)
    at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:583)
Caused by: java.lang.ClassNotFoundException: net.minecraft.client.entity.EntityClientPlayerMP
    at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:186)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    ... 29 more
Caused by: java.lang.NullPointerException
    at org.objectweb.asm.ClassReader.<init>(Unknown Source)
    at powercrystals.core.asm.PCCASMTransformer.transform(PCCASMTransformer.java:35)
    at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:274)
    at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:172)
    ... 31 more

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

-- System Details --
Details:
    Minecraft Version: 1.6.4
    Operating System: Windows 7 (amd64) version 6.1
    Java Version: 1.8.0_101, Oracle Corporation
    Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
    Memory: 721922176 bytes (688 MB) / 880279552 bytes (839 MB) up to 1886912512 bytes (1799 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 v8.11 FML v6.4.50.1,345 Minecraft Forge 9.11.1.1345 101 mods loaded, 101 mods active
    mcp{8.09} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized
    FML{6.4.50.1,345} [Forge Mod Loader] (minecraftforge-universal-1.6.4-9.11.1.1345.jar) Unloaded->Constructed->Pre-initialized->Initialized
    Forge{9.11.1.1345} [Minecraft Forge] (minecraftforge-universal-1.6.4-9.11.1.1345.jar) Unloaded->Constructed->Pre-initialized->Initialized
    CodeChickenCore{0.9.0.9} [CodeChicken Core] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized
    NotEnoughItems{1.6.1.9} [Not Enough Items] (NotEnoughItems-1.6.4-1.6.1.9-universal.jar) Unloaded->Constructed->Pre-initialized->Initialized
    PowerCrystalsCore{1.1.8} [PowerCrystals Core] (PowerCrystalsCore-1.1.8-9.jar) Unloaded->Constructed->Pre-initialized->Initialized
    TConstruct-Preloader{0.0.1} [Tinkers Corestruct] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized
    VeinMinerCore{0.12.3} [Vein Miner CoreMod] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized
    OpenModsCore{@VERSION@} [OpenModsCore] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized
    bspkrsCore{v4.3(1.6.4)} [bspkrsCore] ([1.6.4]bspkrsCorev4.3.zip) Unloaded->Constructed->Pre-initialized->Initialized
    mod_bspkrsCore{v4.3(1.6.4)} [bspkrsCore] ([1.6.4]bspkrsCorev4.3.zip) Unloaded->Constructed->Pre-initialized->Initialized
    TreeCapitator{Forge 1.6.4.r06} [Treecapitator] ([1.6.4]TreeCapitator.Forge.1.6.4.r06.Universal.jar) Unloaded->Constructed->Pre-initialized->Initialized
    mod_MouseTweaks{2.3.4 (for Minecraft 1.6.4)} [Mouse Tweaks] (_1.6.4__Mouse_Tweaks_2.3.4.zip) Unloaded->Constructed->Pre-initialized
    CoFHCore{2.0.0.5} [CoFH Core] (CoFHCore-2.0.0.5.jar) Unloaded->Constructed->Pre-initialized
    NetherOres{1.6.2R2.2.2} [Nether Ores] (NetherOres-2.2.2-55.jar) Unloaded->Constructed->Pre-initialized
    ForgeMultipart{1.0.1.268} [Forge Multipart] (ForgeMultipart-universal-1.6.4-1.0.1.268.jar) Unloaded->Constructed->Pre-initialized
    BuildCraft|Core{4.2.2} [BuildCraft] (buildcraft-A-1.6.4-4.2.2.jar) Unloaded->Constructed->Pre-initialized
    ThermalExpansion{3.0.0.7} [Thermal Expansion] (ThermalExpansion-3.0.0.7.jar) Unloaded->Constructed->Pre-initialized
    autopackager{1.2} [AutoPackager] (autopackager-1.4.2.jar) Unloaded->Constructed->Pre-initialized
    bdlib{1.2.3.48} [BD Lib] (bdlib-mc164-1.2.3.48.jar) Unloaded->Constructed->Pre-initialized
    BiblioCraft{1.5.5} [BiblioCraft] (BiblioCraft[v1.5.5].zip) Unloaded->Constructed->Pre-initialized
    BiblioWoodsBoP{1.3} [BiblioWoods Biomes O'Plenty Edition] (BiblioWoods[BiomesOPlenty][v1.3].zip) Unloaded->Constructed->Pre-initialized
    BuildCraft|Builders{4.2.2} [BC Builders] (buildcraft-A-1.6.4-4.2.2.jar) Unloaded->Constructed->Pre-initialized
    BuildCraft|Energy{4.2.2} [BC Energy] (buildcraft-A-1.6.4-4.2.2.jar) Unloaded->Constructed->Pre-initialized
    BuildCraft|Factory{4.2.2} [BC Factory] (buildcraft-A-1.6.4-4.2.2.jar) Unloaded->Constructed->Pre-initialized
    BuildCraft|Transport{4.2.2} [BC Transport] (buildcraft-A-1.6.4-4.2.2.jar) Unloaded->Constructed->Pre-initialized
    MineFactoryReloaded{1.6.4R2.7.9} [MineFactory Reloaded] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized
    MineFactoryReloaded|CompatForestryPre{1.6.4R2.7.9} [MFR Compat: Forestry (part 2)] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized
    Forestry{2.3.1.1} [Forestry for Minecraft] (forestry-A-2.3.1.1.jar) Unloaded->Constructed->Pre-initialized
    BiblioWoodsForestry{1.3} [BiblioWoods Forestry Edition] (BiblioWoods[Forestry][v1.3].zip) Unloaded->Constructed->Pre-initialized
    BiblioWoodsNatura{1.1} [BiblioWoods Natura Edition] (BiblioWoods[Natura][v1.1].zip) Unloaded->Constructed->Pre-initialized
    BuildCraft|Silicon{4.2.2} [BC Silicon] (buildcraft-A-1.6.4-4.2.2.jar) Unloaded->Constructed->Pre-initialized
    CarpentersBlocks{3.2.8.6} [Carpenter's Blocks] (Carpenter's Blocks v3.2.8.6 - MC 1.6.4.jar) Unloaded->Constructed->Pre-initialized
    ChickenChunks{1.3.3.4} [ChickenChunks] (ChickenChunks-1.6.4-1.3.3.4-universal.jar) Unloaded->Constructed->Pre-initialized
    CoFHLoot{2.0.0.5} [CoFH Loot] (CoFHCore-2.0.0.5.jar) Unloaded->Constructed->Pre-initialized
    CoFHMasquerade{2.0.0.5} [CoFH Masquerade] (CoFHCore-2.0.0.5.jar) Unloaded->Constructed->Pre-initialized
    CoFHSocial{2.0.0.5} [CoFH Social] (CoFHCore-2.0.0.5.jar) Unloaded->Constructed->Pre-initialized
    CoFHWorld{2.0.0.5} [CoFH World] (CoFHCore-2.0.0.5.jar) Unloaded->Constructed->Pre-initialized
    ComputerCraft{1.63} [ComputerCraft] (ComputerCraft1.63.jar) Unloaded->Constructed->Pre-initialized
    crowley.skyblock{1.29e} [Ex Nihilo] (crowley-skyblock-v1.29e.zip) Unloaded->Constructed->Pre-initialized
    props{1.10} [DecoCraft] (Decocraft_1.10.0_1.6.4.zip) Unloaded->Constructed->Pre-initialized
    MoCreatures{6.1.0} [DrZhark's Mo'Creatures Mod] (DrZharks MoCreatures Mod v6.1.0.zip) Unloaded->Constructed->Pre-initialized
    EnderStorage{1.4.3.6} [EnderStorage] (EnderStorage-1.6.4-1.4.3.6-universal.jar) Unloaded->Constructed->Pre-initialized
    EnderTanks{1.7d} [Ender Tanks] (EnderTanks-1.7d.jar) Unloaded->Constructed->Pre-initialized
    FlansMod{4.1.1} [Flans Mod] (FlansMod-4.1.1.jar) Unloaded->Constructed->Pre-initialized
    HopperDuctMod{1.2.2} [Hopper Ducts] (HopperDuctsMod1.2.2.zip) Unloaded->Constructed->Pre-initialized
    iChunUtil{2.4.0} [iChunUtil] (iChunUtil2.4.0.zip) Unloaded->Constructed->Pre-initialized
    JABBA{1.1.4} [JABBA] (JABBA_1.1.4.zip) Unloaded->Constructed->Pre-initialized
    MFR Compat Forestry Trees{1.0} [MFR Compat Forestry Trees] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized
    MFR Compat Extra Trees{1.0} [MFR Compat Extra Trees] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized
    MineFactoryReloaded|CompatAppliedEnergistics{1.6.4R2.7.9} [MFR Compat: Applied Energistics] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized
    MineFactoryReloaded|CompatAtum{1.6.4R2.7.9} [MFR Compat: Atum] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized
    MineFactoryReloaded|CompatBackTools{1.6.4R2.7.9} [MFR Compat: BackTools] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized
    MineFactoryReloaded|CompatBuildCraft{1.6.4R2.7.9} [MFR Compat: BuildCraft] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized
    MineFactoryReloaded|CompatChococraft{1.6.4R2.7.9} [MFR Compat: Chococraft] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized
    MineFactoryReloaded|CompatExtraBiomes{1.6.4R2.7.9} [MFR Compat: ExtraBiomes] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized
    MineFactoryReloaded|CompatForestry{1.6.4R2.7.9} [MFR Compat: Forestry] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized
    MineFactoryReloaded|CompatForgeMicroblock{1.6.4R2.7.9} [MFR Compat: ForgeMicroblock] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized
    MineFactoryReloaded|CompatIC2{1.6.4R2.7.9} [MFR Compat: IC2] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized
    MineFactoryReloaded|CompatMystcraft{1.6.4R2.7.9} [MFR Compat: Mystcraft] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized
    MineFactoryReloaded|CompatPams{1.6.4R2.7.9} [MFR Compat: Pam's Mods] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized
    MineFactoryReloaded|CompatProjRed{1.6.4R2.7.9} [MFR Compat ProjectRed] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized
    Thaumcraft{4.1.0g} [Thaumcraft] (Thaumcraft4.1.0g.zip) Unloaded->Constructed->Pre-initialized
    Railcraft{8.4.0.0} [Railcraft] (Railcraft_1.6.4-8.4.0.0.jar) Unloaded->Constructed->Pre-initialized
    MineFactoryReloaded|CompatRailcraft{1.6.4R2.7.9} [MFR Compat: Railcraft] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized
    MineFactoryReloaded|CompatRP2{1.6.4R2.7.9} [MFR Compat: RP2] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized
    MineFactoryReloaded|CompatSufficientBiomes{1.6.4R2.7.9} [MFR Compat: Sufficient Biomes] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized
    MineFactoryReloaded|CompatThaumcraft{1.6.4R2.7.9} [MFR Compat: Thaumcraft] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized
    MineFactoryReloaded|CompatThermalExpansion{1.6.4R2.7.9} [MFR Compat: Thermal Expansion] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized
    TwilightForest{1.20.4} [The Twilight Forest] (twilightforest-1.6.4-1.20.4.jar) Unloaded->Constructed->Pre-initialized
    MineFactoryReloaded|CompatTwilightForest{1.6.4R2.7.9} [MFR Compat: TwilightForest] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized
    MineFactoryReloaded|CompatVanilla{1.6.4R2.7.9} [MFR Compat: Vanilla] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized
    MineFactoryReloaded|CompatXyCraft{1.6.4R2.7.9} [MFR Compat: XyCraft] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized
    NEIAddons{1.10.5.70} [NEI Addons] (neiaddons-mc164-1.10.5.70.jar) Unloaded->Constructed->Pre-initialized
    NEIAddons|AE{1.10.5.70} [NEI Addons: Applied Energistics] (neiaddons-mc164-1.10.5.70.jar) Unloaded->Constructed->Pre-initialized
    NEIAddons|MiscPeripherals{1.10.5.70} [NEI Addons: Misc Peripherals] (neiaddons-mc164-1.10.5.70.jar) Unloaded->Constructed->Pre-initialized
    NEIAddons|ExtraBees{1.10.5.70} [NEI Addons: Extra Bees] (neiaddons-mc164-1.10.5.70.jar) Unloaded->Constructed->Pre-initialized
    NEIAddons|Forestry{1.10.5.70} [NEI Addons: Forestry] (neiaddons-mc164-1.10.5.70.jar) Unloaded->Constructed->Pre-initialized
    NEIAddons|CraftingTables{1.10.5.70} [NEI Addons: Crafting Tables] (neiaddons-mc164-1.10.5.70.jar) Unloaded->Constructed->Pre-initialized
    NEIAddons|ExNihilo{1.10.5.70} [NEI Addons: Ex Nihilo] (neiaddons-mc164-1.10.5.70.jar) Unloaded->Constructed->Pre-initialized
    OpenMods{0.5.1} [OpenMods] (OpenModsLib-0.5.1(1).jar) Unloaded->Constructed->Pre-initialized
    OpenBlocks{1.2.9} [OpenBlocks] (OpenBlocks-1.2.9.jar) Unloaded->Constructed->Pre-initialized
    OpenComputers|Core{1.0.0} [OpenComputers (Core)] (OpenComputers-MC1.6.4-1.3.6.561-universal.jar) Unloaded->Constructed->Pre-initialized
    OpenComputers{1.3.6.561} [OpenComputers] (OpenComputers-MC1.6.4-1.3.6.561-universal.jar) Unloaded->Constructed->Pre-initialized
    OpenPeripheralCore{0.4.1} [OpenPeripheralCore] (OpenPeripheralCore-0.4.1.jar) Unloaded->Constructed->Pre-initialized
    Redstone Arsenal{1.0.0.0} [Redstone Arsenal] (RedstoneArsenal-1.0.0.0.jar) Unloaded->Constructed->Pre-initialized
    simplyjetpacks{0.3.1.1} [Simply Jetpacks] (SimplyJetpacks-0.3.1.1.jar) Unloaded->Constructed->Pre-initialized
    TConstruct{1.6.X_1.5.5.7} [Tinkers' Construct] (TConstruct_mc1.6.4_1.5.5.7.jar) Unloaded->Constructed->Pre-initialized
    thaumcraftneiplugin{1.6.4-1.1b} [Thaumcraft NEI Plugin] (thaumcraftneiplugin-1.6.4-1.1b.jar) Unloaded->Constructed->Pre-initialized
    ThaumicTinkerer{2.3-140} [Thaumic Tinkerer] (ThaumicTinkerer-2.3-140.jar) Unloaded->Constructed->Pre-initialized
    TiCTooltips{1.1.11} [TiC Tooltips] (TiCTooltips-mc1.6.4-1.1.11.jar) Unloaded->Constructed->Pre-initialized
    TMechworks{33.c001660} [Tinkers' Mechworks] (TMechworks_mc1.6.4_0.1.6.jar) Unloaded->Constructed->Pre-initialized
    Translocator{1.1.0.15} [Translocator] (Translocator-1.6.4-1.1.0.15-universal.jar) Unloaded->Constructed->Pre-initialized
    VeinMiner{0.12.3} [Vein Miner] (VeinMiner.0.12.3_MC1.6.jar) Unloaded->Constructed->Pre-initialized
    WailaHarvestability{1.1.0} [Waila Harvestability] (WailaHarvestability-mc1.6.4-1.1.0.jar) Unloaded->Constructed->Pre-initialized
    witchery{0.20.5} [Witchery] (witchery-1.6.4-0.20.5.zip) Unloaded->Constructed->Pre-initialized
    WR-CBE|Core{1.4.0.7} [WR-CBE Core] (WR-CBE-1.6.4-1.4.0.7-universal.jar) Unloaded->Constructed->Pre-initialized
    WR-CBE|Addons{1.4.0.7} [WR-CBE Addons] (WR-CBE-1.6.4-1.4.0.7-universal.jar) Unloaded->Constructed->Pre-initialized
    WR-CBE|Logic{1.4.0.7} [WR-CBE Logic] (WR-CBE-1.6.4-1.4.0.7-universal.jar) Unloaded->Constructed->Pre-initialized
    McMultipart{1.0.1.268} [Minecraft Multipart Plugin] (ForgeMultipart-universal-1.6.4-1.0.1.268.jar) Unloaded->Constructed->Pre-initialized
    ForgeMicroblock{1.0.1.268} [Forge Microblocks] (ForgeMultipart-universal-1.6.4-1.0.1.268.jar) Unloaded->Constructed->Pre-initialized
    TConstruct Environment: Sane and ready for action. Bugs may be reported.
    Profiler Position: N/A (disabled)
    Is Modded: Definitely; Server brand changed to 'fml,forge'
    Type: Dedicated Server (map_server.txt)

Edited December 5, 2016 by Belliss

[JaariAtmc]

A good start would be removing MouseTweaks. As it is a clientside only mod as well.