[Solved] Modded Server Crash

---- Minecraft Crash Report ----
// I just don't know what went wrong

Time: 11/26/16 9:02 AM
Description: Exception in server tick loop

java.lang.NoClassDefFoundError: net/minecraft/client/multiplayer/WorldClient
at net.minecraft.server.management.PlayerManager.<init>(PlayerManager.java:55)
at net.minecraft.world.WorldServer.<init>(WorldServer.java:113)
at net.minecraft.server.MinecraftServer.func_71247_a(MinecraftServer.java:246)
at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:187)
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.multiplayer.WorldClient
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:186)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 6 more
Caused by: java.lang.RuntimeException: Attempted to load class bdd for invalid side SERVER
at cpw.mods.fml.common.asm.transformers.SideTransformer.transform(SideTransformer.java:50)
at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:274)
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:172)
... 8 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 10 (amd64) version 10.0
Java Version: 1.8.0_102, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 656891968 bytes (626 MB) / 990380032 bytes (944 MB) up to 990380032 bytes (944 MB)
JVM Flags: 2 total; -Xmx1024M -Xms1024M
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Suspicious classes: FML and Forge are installed
IntCache: cache: 18, tcache: 0, allocated: 3, tallocated: 63
FML: MCP v8.11 FML v6.4.50.1,345 Minecraft Forge 9.11.1.1345 85 mods loaded, 85 mods active
mcp{8.09} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
FML{6.4.50.1,345} [Forge Mod Loader] (forge.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
Forge{9.11.1.1345} [Minecraft Forge] (forge.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
AppliedEnergistics-Core{rv13.c} [AppliedEnergistics Core] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
CodeChickenCore{0.9.0.9} [CodeChicken Core] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
Micdoodlecore{} [Micdoodle8 Core] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
MobiusCore{1.2.2} [MobiusCore] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
OpenEye{0.6} [OpenEye] (OpenEye-0.6-1.6.4.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
PowerCrystalsCore{1.1.8} [PowerCrystals Core] (PowerCrystalsCore-1.1.8-9.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
TConstruct-Preloader{0.0.1} [Tinkers Corestruct] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
VeinMinerCore{0.12.2} [Vein Miner CoreMod] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
OpenModsCore{@VERSION@} [OpenModsCore] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
bspkrsCore{v5.3(1.6.4)} [bspkrsCore] ([1.6.4]bspkrsCorev5.3.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
TreeCapitator{Forge 1.6.4.r06} [Treecapitator] ([1.6.4]TreeCapitator.Forge.1.6.4.r06.Universal.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
iChunUtil{2.4.0} [iChunUtil] (_iChun-Util-Mod-1.6.x (1).zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
AppliedEnergistics{rv13.c} [Applied Energistics] (AppliedEnergisticsMod1.6.4.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
arsmagica2{1.1.2b} [Ars Magica 2] (Ars-Magica-2-Mod-1.6.4.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
ComputerCraft{1.63} [ComputerCraft] (ComputerCraft1.63.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
Mekanism{6.0.5} [Mekanism] (Mekanism-6.0.5.46.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
MineFactoryReloaded{1.6.4R2.7.9} [MineFactory Reloaded] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
CoFHCore{2.0.0.5} [CoFH Core] (CoFHCore-2.0.0.5.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
NetherOres{1.6.2R2.2.2} [Nether Ores] (NetherOres-2.2.2-55.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
ForgeMultipart{1.0.0.219} [Forge Multipart] (ForgeMultipart-universal-1.6.4-1.0.0.219.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
ThermalExpansion{3.0.0.7} [Thermal Expansion] (ThermalExpansion-3.0.0.7.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
BigReactors{0.3.4A2} [Big Reactors] (BigReactors-0.3.4A2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
CarpentersBlocks{2.1.2} [Carpenter's Blocks] (Carpenters Blocks v2.1.2 - MC 1.6.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
ChickenChunks{1.3.3.4} [ChickenChunks] (ChickenChunks 1.3.3.4.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
CoFHLoot{2.0.0.5} [CoFH Loot] (CoFHCore-2.0.0.5.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
CoFHMasquerade{2.0.0.5} [CoFH Masquerade] (CoFHCore-2.0.0.5.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
CoFHSocial{2.0.0.5} [CoFH Social] (CoFHCore-2.0.0.5.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
CoFHWorld{2.0.0.5} [CoFH World] (CoFHCore-2.0.0.5.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
EnderIO{1.0.6} [Ender IO] (EnderIO-1.6.4-1.0.6.376.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
EnderStorage{1.4.3.6} [EnderStorage] (EnderStorage 1.4.3.6.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
GalacticraftCore{2.0.14} [Galacticraft Core] (Galacticraft-1.6.4-2.0.14.1098.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
GalacticraftMars{2.0.14} [Galacticraft Mars] (Galacticraft-Planets-1.6.4-2.0.14.1098.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
Hats{2.1.8} [Hats] (Hats2.1.8.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
HatStand{2.1.0} [HatStand] (HatStand2.1.0.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
inventorytweaks{1.56} [Inventory Tweaks] (InventoryTweaks-MC1.6.2-1.56-b77.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
IronChest{5.4.1.702} [Iron Chest] (ironchest-universal-1.6.4-5.4.1.702.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
JABBA{1.1.4} [JABBA] (JABBA_1.1.4.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
lucky{4.2.1} [Lucky Block] (LuckyBlock_v4.2.1_1.6.4.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
magicalcrops{3.2.8} [Magical Crops] (magical_crops_1.6.4_3.2.0_BETA_17g.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
standardcrops{1.1.0} [Magical Crops - Crops & Food] (magical_crops_1.6.4_3.2.0_BETA_17g.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
MekanismGenerators{6.0.5} [MekanismGenerators] (MekanismGenerators-6.0.5.46.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
MekanismTools{6.0.5} [MekanismTools] (MekanismTools-6.0.5.46.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
MFR Compat Forestry Trees{1.0} [MFR Compat Forestry Trees] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
MFR Compat Extra Trees{1.0} [MFR Compat Extra Trees] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
MineFactoryReloaded|CompatAppliedEnergistics{1.6.4R2.7.9} [MFR Compat: Applied Energistics] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
MineFactoryReloaded|CompatAtum{1.6.4R2.7.9} [MFR Compat: Atum] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
MineFactoryReloaded|CompatBackTools{1.6.4R2.7.9} [MFR Compat: BackTools] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
MineFactoryReloaded|CompatBuildCraft{1.6.4R2.7.9} [MFR Compat: BuildCraft] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
MineFactoryReloaded|CompatChococraft{1.6.4R2.7.9} [MFR Compat: Chococraft] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
MineFactoryReloaded|CompatExtraBiomes{1.6.4R2.7.9} [MFR Compat: ExtraBiomes] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
MineFactoryReloaded|CompatForestry{1.6.4R2.7.9} [MFR Compat: Forestry] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
MineFactoryReloaded|CompatForestryPre{1.6.4R2.7.9} [MFR Compat: Forestry (part 2)] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
MineFactoryReloaded|CompatForgeMicroblock{1.6.4R2.7.9} [MFR Compat: ForgeMicroblock] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
MineFactoryReloaded|CompatIC2{1.6.4R2.7.9} [MFR Compat: IC2] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
Mystcraft{0.10.13.01} [Mystcraft] (mystcraft-uni-1.6.4-0.10.13.01.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
MineFactoryReloaded|CompatMystcraft{1.6.4R2.7.9} [MFR Compat: Mystcraft] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
MineFactoryReloaded|CompatPams{1.6.4R2.7.9} [MFR Compat: Pam's Mods] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
MineFactoryReloaded|CompatProjRed{1.6.4R2.7.9} [MFR Compat ProjectRed] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
MineFactoryReloaded|CompatRailcraft{1.6.4R2.7.9} [MFR Compat: Railcraft] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
MineFactoryReloaded|CompatRP2{1.6.4R2.7.9} [MFR Compat: RP2] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
MineFactoryReloaded|CompatSufficientBiomes{1.6.4R2.7.9} [MFR Compat: Sufficient Biomes] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
MineFactoryReloaded|CompatThaumcraft{1.6.4R2.7.9} [MFR Compat: Thaumcraft] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
MineFactoryReloaded|CompatThermalExpansion{1.6.4R2.7.9} [MFR Compat: Thermal Expansion] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
TwilightForest{1.20.0} [The Twilight Forest] (TwilightForestMod1.6.4.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
MineFactoryReloaded|CompatTwilightForest{1.6.4R2.7.9} [MFR Compat: TwilightForest] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
MineFactoryReloaded|CompatVanilla{1.6.4R2.7.9} [MFR Compat: Vanilla] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
MineFactoryReloaded|CompatXyCraft{1.6.4R2.7.9} [MFR Compat: XyCraft] (MineFactoryReloaded-2.7.9-final.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
MineTweaker3{1.6.4-3.0.3} [MineTweaker 3] (MineTweaker3-1.6.4-3.0.6.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
Morph{0.5.0} [Morph] (MorphingMod1.6.4.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
Natura{2.1.14} [Natura] (Natura_mc1.6.X_2.1.14.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
OpenMods{0.5.1} [OpenMods] (OpenModsLib-0.5.1.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
OpenBlocks{1.2.9} [OpenBlocks] (OpenBlocks-1.2.9.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
Opis{1.2.2} [Opis] (Opis_1.2.2.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
MapWriter{2.0.1} [MapWriter] (Opis_1.2.2.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
PortalGun{2.0.2} [PortalGun] (PortalGun2.0.2.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
SSR{Alpha 0.8c} [Soul Shards Reborn] (Soul-Shards-Reborn-Mod-1.6.4.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
TConstruct{1.6.X_1.5.5.7} [Tinkers' Construct] (TConstruct_mc1.6.4_1.5.5.7.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
VeinMiner{0.12.2} [Vein Miner] (Vein-Miner-Mod-1.6.4.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
witchery{0.18.4} [Witchery] (witchery-1.6.4-0.18.4.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
YUNoMakeGoodMap{3.0} [YUNoMakeGoodMap] (YUNoMakeGoodMap-1.6.4-3.0.0.9-universal.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
McMultipart{1.0.0.219} [Minecraft Multipart Plugin] (ForgeMultipart-universal-1.6.4-1.0.0.219.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
ForgeMicroblock{1.0.0.219} [Forge Microblocks] (ForgeMultipart-universal-1.6.4-1.0.0.219.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
TConstruct Environment: Sane and ready for action. Bugs may be reported.
Profiler Position: N/A (disabled)
Player Count: 0 / 20; []
Is Modded: Definitely; Server brand changed to 'fml,forge'
Type: Dedicated Server (map_server.txt)