A crash log would be helpful...
Right silly me! Here we a go.
2016-01-31 17:03:46 [INFO] [ForgeModLoader] Forge Mod Loader version 6.4.49.965 for Minecraft 1.6.4 loading
2016-01-31 17:03:46 [INFO] [ForgeModLoader] Java is Java HotSpot(TM) 64-Bit Server VM, version 1.8.0_66, running on Windows 8.1:amd64:6.3, installed at C:\Program Files\Java\jre1.8.0_66
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Java classpath at launch is C:\Users\seeke_000\Desktop\New folder (4)\BloodNBonesServer\FTBServer-1.6.4-965.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Java library path at launch is C:\Program Files\Java\jre1.8.0_66\bin;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;C:\ProgramData\Oracle\Java\javapath;C:\Program Files (x86)\Intel\iCLS Client\;C:\Program Files\Intel\iCLS Client\;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files\Intel\Intel(R) Management Engine Components\IPT;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\IPT;C:\Program Files (x86)\Microsoft SQL Server\100\Tools\Binn\;C:\Program Files (x86)\Microsoft SQL Server\100\DTS\Binn\;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;C:\Program Files (x86)\Skype\Phone\;C:\Program Files\WIDCOMM\Bluetooth Software\;C:\Program Files\WIDCOMM\Bluetooth Software\syswow64;;.
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Enabling runtime deobfuscation
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Instantiating coremod class FMLCorePlugin
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Enqueued coremod FMLCorePlugin
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Instantiating coremod class FMLForgePlugin
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Enqueued coremod FMLForgePlugin
2016-01-31 17:03:46 [FINE] [ForgeModLoader] All fundamental core mods are successfully located
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Discovering coremods
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy CodeChickenLib-universal-1.6.4-1.0.0.62.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Not found coremod data in CodeChickenLib-universal-1.6.4-1.0.0.62.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy ForgeMultipart-universal-1.6.4-1.0.0.250.jar
2016-01-31 17:03:46 [FINEST] [ForgeModLoader] Found FMLCorePluginContainsFMLMod marker in ForgeMultipart-universal-1.6.4-1.0.0.250.jar, it will be examined later for regular @Mod instances
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Instantiating coremod class DepLoader
2016-01-31 17:03:46 [WARNING] [ForgeModLoader] The coremod codechicken.core.launch.DepLoader does not have a MCVersion annotation, it may cause issues with this version of Minecraft
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Enqueued coremod DepLoader
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy WorldCore-universal-1.6.4-1.1.0.17.jar
2016-01-31 17:03:46 [FINEST] [ForgeModLoader] Adding WorldCore-universal-1.6.4-1.1.0.17.jar to the list of known coremods, it will not be examined again
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Instantiating coremod class WCFMLLoadingPlugin
2016-01-31 17:03:46 [WARNING] [ForgeModLoader] The coremod worldcore.asm.WCFMLLoadingPlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Enqueued coremod WCFMLLoadingPlugin
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy appeng-rv14-finale3-mc16x.jar
2016-01-31 17:03:46 [FINEST] [ForgeModLoader] Found FMLCorePluginContainsFMLMod marker in appeng-rv14-finale3-mc16x.jar, it will be examined later for regular @Mod instances
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Instantiating coremod class AppEngCore
2016-01-31 17:03:46 [WARNING] [ForgeModLoader] The coremod appeng.transformer.AppEngCore does not have a MCVersion annotation, it may cause issues with this version of Minecraft
2016-01-31 17:03:46 [INFO] [ForgeModLoader] [AppEng] Core Init
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Enqueued coremod AppEngCore
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy backpack-1.28.37-1.6.x.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Not found coremod data in backpack-1.28.37-1.6.x.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy bigReactors-0.3.3A.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Not found coremod data in bigReactors-0.3.3A.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy biomesOPlenty-universal-1.6.4-1.2.1.416.jar
2016-01-31 17:03:46 [FINEST] [ForgeModLoader] Found FMLCorePluginContainsFMLMod marker in biomesOPlenty-universal-1.6.4-1.2.1.416.jar, it will be examined later for regular @Mod instances
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Instantiating coremod class BOPFMLLoadingPlugin
2016-01-31 17:03:46 [WARNING] [ForgeModLoader] The coremod biomesoplenty.asm.BOPFMLLoadingPlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
2016-01-31 17:03:46 [INFO] [STDERR] Warning: version of ForgeMultipart-universal-1.6.4-, 1.0.0.250 is newer than request 1.0.0.244
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Enqueued coremod BOPFMLLoadingPlugin
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy BnBTweaks-mc1.6.4-0.1.4.jar
2016-01-31 17:03:46 [FINEST] [ForgeModLoader] Found FMLCorePluginContainsFMLMod marker in BnBTweaks-mc1.6.4-0.1.4.jar, it will be examined later for regular @Mod instances
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Instantiating coremod class ASMPlugin
2016-01-31 17:03:46 [WARNING] [ForgeModLoader] The coremod eyamaz.bnbtweaks.asm.ASMPlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Enqueued coremod ASMPlugin
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy chickenChunks 1.3.3.4.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Not found coremod data in chickenChunks 1.3.3.4.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy codeChickenCore 0.9.0.9.jar
2016-01-31 17:03:46 [FINEST] [ForgeModLoader] Adding codeChickenCore 0.9.0.9.jar to the list of known coremods, it will not be examined again
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Instantiating coremod class CodeChickenCorePlugin
2016-01-31 17:03:46 [WARNING] [ForgeModLoader] The coremod codechicken.core.launch.CodeChickenCorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Enqueued coremod CodeChickenCorePlugin
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy coFHCore-2.0.0.5.jar
2016-01-31 17:03:46 [FINEST] [ForgeModLoader] Found FMLCorePluginContainsFMLMod marker in coFHCore-2.0.0.5.jar, it will be examined later for regular @Mod instances
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Instantiating coremod class LoadingPlugin
2016-01-31 17:03:46 [WARNING] [ForgeModLoader] The coremod cofh.asm.LoadingPlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Enqueued coremod LoadingPlugin
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy computerCraft1.63.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Not found coremod data in computerCraft1.63.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy creeperCollateral-1.6.4-3.0.3.jar
2016-01-31 17:03:46 [FINEST] [ForgeModLoader] Found FMLCorePluginContainsFMLMod marker in creeperCollateral-1.6.4-3.0.3.jar, it will be examined later for regular @Mod instances
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Instantiating coremod class CCCore
2016-01-31 17:03:46 [WARNING] [ForgeModLoader] The coremod denoflionsx.CreeperCollateral.CoreMod.CCCore does not have a MCVersion annotation, it may cause issues with this version of Minecraft
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Enqueued coremod CCCore
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy denLib-1.6.4-3.2.6.jar
2016-01-31 17:03:46 [FINEST] [ForgeModLoader] Found FMLCorePluginContainsFMLMod marker in denLib-1.6.4-3.2.6.jar, it will be examined later for regular @Mod instances
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Instantiating coremod class denLibCore
2016-01-31 17:03:46 [WARNING] [ForgeModLoader] The coremod denoflionsx.denLib.CoreMod.denLibCore does not have a MCVersion annotation, it may cause issues with this version of Minecraft
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Enqueued coremod denLibCore
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy dynamicTanks2_v0.0.8a.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy enhancedPortals-1.6.4-3.0.0b5e.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Not found coremod data in enhancedPortals-1.6.4-3.0.0b5e.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy evoc_1.0.0a.jar
2016-01-31 17:03:46 [FINEST] [ForgeModLoader] Adding evoc_1.0.0a.jar to the list of known coremods, it will not be examined again
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Instantiating coremod class CoreDescription
2016-01-31 17:03:46 [WARNING] [ForgeModLoader] The coremod mcp.mobius.evoc.asm.CoreDescription does not have a MCVersion annotation, it may cause issues with this version of Minecraft
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Enqueued coremod CoreDescription
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy ExtraTiC-1.6.4-0.8.4.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Not found coremod data in ExtraTiC-1.6.4-0.8.4.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy flatsigns-1.6.2-universal-1.4.0.15.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Not found coremod data in flatsigns-1.6.2-universal-1.4.0.15.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy gases-1.4.4.3-1.6.4.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Not found coremod data in gases-1.4.4.3-1.6.4.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy gasesCore-1.4.4.3-1.6.4.jar
2016-01-31 17:03:46 [FINEST] [ForgeModLoader] Adding gasesCore-1.4.4.3-1.6.4.jar to the list of known coremods, it will not be examined again
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Instantiating coremod class EDFMLLoadingPlugin
2016-01-31 17:03:46 [WARNING] [ForgeModLoader] The coremod glenn.gases.core.EDFMLLoadingPlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Enqueued coremod EDFMLLoadingPlugin
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy gasesFramework-1.0.3.1-1.6.4.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Not found coremod data in gasesFramework-1.0.3.1-1.6.4.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy gasesFrameworkCore-1.0.3.1-1.6.4.jar
2016-01-31 17:03:46 [FINEST] [ForgeModLoader] Adding gasesFrameworkCore-1.0.3.1-1.6.4.jar to the list of known coremods, it will not be examined again
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Instantiating coremod class EDFMLLoadingPlugin
2016-01-31 17:03:46 [WARNING] [ForgeModLoader] The coremod glenn.gasesframework.core.EDFMLLoadingPlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Enqueued coremod EDFMLLoadingPlugin
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy HarvestCraftWaila-mc1.6.4-1.0.4.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Not found coremod data in HarvestCraftWaila-mc1.6.4-1.0.4.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy inventoryTweaks-MC1.6.2-1.56-b77.jar
2016-01-31 17:03:46 [FINEST] [ForgeModLoader] Found FMLCorePluginContainsFMLMod marker in inventoryTweaks-MC1.6.2-1.56-b77.jar, it will be examined later for regular @Mod instances
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Instantiating coremod class FMLPlugin
2016-01-31 17:03:46 [WARNING] [ForgeModLoader] The coremod invtweaks.forge.asm.FMLPlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Enqueued coremod FMLPlugin
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy KeithyUtils-1.6.4-1.3.30.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Not found coremod data in KeithyUtils-1.6.4-1.3.30.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy LycanitesMobsComplete 1.5.1h [1.6.4].jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Not found coremod data in LycanitesMobsComplete 1.5.1h [1.6.4].jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy Metallurgy-1.6.4-3.4.0.29.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Not found coremod data in Metallurgy-1.6.4-3.4.0.29.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy mineFactoryReloaded-2.7.9-final.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Not found coremod data in mineFactoryReloaded-2.7.9-final.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy MobiusCore_1.2.2_1.6.4.jar
2016-01-31 17:03:46 [FINEST] [ForgeModLoader] Adding MobiusCore_1.2.2_1.6.4.jar to the list of known coremods, it will not be examined again
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Instantiating coremod class CoreDescription
2016-01-31 17:03:46 [WARNING] [ForgeModLoader] The coremod mcp.mobius.mobiuscore.asm.CoreDescription does not have a MCVersion annotation, it may cause issues with this version of Minecraft
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Enqueued coremod CoreDescription
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy ModTweaker-1.6.4-0.3.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Not found coremod data in ModTweaker-1.6.4-0.3.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy natura_mc1.6.X_2.1.14.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Not found coremod data in natura_mc1.6.X_2.1.14.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy neiaddons-mc164-1.10.4.64.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Not found coremod data in neiaddons-mc164-1.10.4.64.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy neiplugins-1.1.0.6.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Not found coremod data in neiplugins-1.1.0.6.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy NetherOres-2.2.3-final.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Not found coremod data in NetherOres-2.2.3-final.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy notEnoughItems 1.6.1.9.jar
2016-01-31 17:03:46 [FINEST] [ForgeModLoader] Adding notEnoughItems 1.6.1.9.jar to the list of known coremods, it will not be examined again
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Instantiating coremod class NEICorePlugin
2016-01-31 17:03:46 [WARNING] [ForgeModLoader] The coremod codechicken.nei.asm.NEICorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Enqueued coremod NEICorePlugin
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy obsidiplates-1.6.2-universal-2.0.0.15.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Not found coremod data in obsidiplates-1.6.2-universal-2.0.0.15.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy powerCrystalsCore-1.1.8-9.jar
2016-01-31 17:03:46 [FINEST] [ForgeModLoader] Adding powerCrystalsCore-1.1.8-9.jar to the list of known coremods, it will not be examined again
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Instantiating coremod class CoreLoader
2016-01-31 17:03:46 [FINE] [ForgeModLoader] The coremod powercrystals.core.CoreLoader requested minecraft version 1.6.4 and minecraft is 1.6.4. It will be loaded.
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Enqueued coremod CoreLoader
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy projectRedBase-1.6.4-4.3.5.30.jar
2016-01-31 17:03:46 [FINEST] [ForgeModLoader] Found FMLCorePluginContainsFMLMod marker in projectRedBase-1.6.4-4.3.5.30.jar, it will be examined later for regular @Mod instances
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Instantiating coremod class DepLoader
2016-01-31 17:03:46 [WARNING] [ForgeModLoader] The coremod codechicken.core.launch.DepLoader does not have a MCVersion annotation, it may cause issues with this version of Minecraft
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Enqueued coremod DepLoader
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy projectRedCompat-1.6.4-4.3.5.30.jar
2016-01-31 17:03:46 [FINEST] [ForgeModLoader] Found FMLCorePluginContainsFMLMod marker in projectRedCompat-1.6.4-4.3.5.30.jar, it will be examined later for regular @Mod instances
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Instantiating coremod class CompatibilityCorePlugin
2016-01-31 17:03:46 [WARNING] [ForgeModLoader] The coremod mrtjp.projectred.compatibility.CompatibilityCorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Enqueued coremod CompatibilityCorePlugin
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy projectRedIntegration-1.6.4-4.3.5.30.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Not found coremod data in projectRedIntegration-1.6.4-4.3.5.30.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy projectRedLighting-1.6.4-4.3.5.30.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Not found coremod data in projectRedLighting-1.6.4-4.3.5.30.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy projectRedMechanical-BETA-1.6.4-4.3.5.30.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Not found coremod data in projectRedMechanical-BETA-1.6.4-4.3.5.30.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy projectRedWorld-1.6.4-4.3.5.30.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Not found coremod data in projectRedWorld-1.6.4-4.3.5.30.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy random Things v. 1.9 [MC 1.6.4].jar
2016-01-31 17:03:46 [FINEST] [ForgeModLoader] Found FMLCorePluginContainsFMLMod marker in random Things v. 1.9 [MC 1.6.4].jar, it will be examined later for regular @Mod instances
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Instantiating coremod class RTLoadingPlugin
2016-01-31 17:03:46 [WARNING] [ForgeModLoader] The coremod lumien.randomthings.Transformer.RTLoadingPlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Enqueued coremod RTLoadingPlugin
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy remoteIO-universal-1.6.4-1.11.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Not found coremod data in remoteIO-universal-1.6.4-1.11.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy sortFix-1.0.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Not found coremod data in sortFix-1.0.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy SpiceOfLife-mc1.6.4-1.1.1.jar
2016-01-31 17:03:46 [FINEST] [ForgeModLoader] Found FMLCorePluginContainsFMLMod marker in SpiceOfLife-mc1.6.4-1.1.1.jar, it will be examined later for regular @Mod instances
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Instantiating coremod class ASMPlugin
2016-01-31 17:03:46 [WARNING] [ForgeModLoader] The coremod squeek.spiceoflife.asm.ASMPlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Enqueued coremod ASMPlugin
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy tconstruct_mc1.6.4_1.5.5.7.jar
2016-01-31 17:03:46 [FINEST] [ForgeModLoader] Found FMLCorePluginContainsFMLMod marker in tconstruct_mc1.6.4_1.5.5.7.jar, it will be examined later for regular @Mod instances
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Instantiating coremod class TConstructLoaderContainer
2016-01-31 17:03:46 [WARNING] [ForgeModLoader] The coremod tconstruct.preloader.TConstructLoaderContainer does not have a MCVersion annotation, it may cause issues with this version of Minecraft
2016-01-31 17:03:46 [INFO] [TCon-Preloader] Scalpel. Suction. Lumber axe. CLEAR! *zap*
2016-01-31 17:03:46 [INFO] [TCon-Preloader] Constructing preloader (Modules: [tconstruct.preloader.AccessTransformers, tconstruct.preloader.ASMInterfaceRepair])
2016-01-31 17:03:46 [INFO] [TCon-Preloader] Found a properties file. Attempting load...
2016-01-31 17:03:46 [INFO] [TCon-Preloader] Loaded properties successfully. Using specified settings.
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Enqueued coremod TConstructLoaderContainer
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy thermalExpansion-3.0.0.7.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Not found coremod data in thermalExpansion-3.0.0.7.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy TiCTooltips-mc1.6.4-1.1.8a.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Not found coremod data in TiCTooltips-mc1.6.4-1.1.8a.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy tictweaks-1.6.4-1.0.3.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Not found coremod data in tictweaks-1.6.4-1.0.3.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy tsteelworks-mc1.6.4_0.0.4.2-fix2.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Not found coremod data in tsteelworks-mc1.6.4_0.0.4.2-fix2.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy WailaHarvestability-mc1.6.4-1.1.0.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Not found coremod data in WailaHarvestability-mc1.6.4-1.1.0.jar
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Examining for coremod candidacy zMineTweaker-1.6.4-2.3.1.jar
2016-01-31 17:03:46 [FINEST] [ForgeModLoader] Found FMLCorePluginContainsFMLMod marker in zMineTweaker-1.6.4-2.3.1.jar, it will be examined later for regular @Mod instances
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Instantiating coremod class MineTweakerTransformer
2016-01-31 17:03:46 [FINE] [ForgeModLoader] The coremod stanhebben.minetweaker.transformer.MineTweakerTransformer requested minecraft version 1.6.4 and minecraft is 1.6.4. It will be loaded.
2016-01-31 17:03:46 [FINE] [ForgeModLoader] Enqueued coremod MineTweakerTransformer
2016-01-31 17:03:46 [INFO] [ForgeModLoader] Loading tweak class name cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
2016-01-31 17:03:46 [INFO] [ForgeModLoader] Loading tweak class name cpw.mods.fml.common.launcher.FMLDeobfTweaker
2016-01-31 17:03:46 [INFO] [ForgeModLoader] Calling tweak class cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
2016-01-31 17:03:46 [SEVERE] [ForgeModLoader] Unable to launch
java.util.ConcurrentModificationException
at java.util.ArrayList$Itr.checkForComodification(Unknown Source)
at java.util.ArrayList$Itr.remove(Unknown Source)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:114)
at net.minecraft.launchwrapper.Launch.main(Launch.java:27)
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.relauncher.ServerLaunchWrapper.run(ServerLaunchWrapper.java:48)
at cpw.mods.fml.relauncher.ServerLaunchWrapper.main(ServerLaunchWrapper.java:17)
That's what my log had to offer.