Hello so i tried creating a modded server so i downloaded forge i tried to do everything to find a solution but didn't i press two times my forge-1.7.2-10.12.2.1147-universal and it only generates mods and doesn't launch up so i really could use some help i open the file but it only generates mod folder  and nothing happens doesn't launch the file like minecraft server.

Logs -.-

i know but it says look

 

2015-02-21 17:58:38 [iNFO] [ForgeModLoader] Forge Mod Loader version 6.4.49.965 for Minecraft 1.6.4 loading

2015-02-21 17:58:38 [iNFO] [ForgeModLoader] Java is Java HotSpot Client VM, version 1.8.0_31, running on Windows 7:x86:6.1, installed at C:\Program Files\Java\jre1.8.0_31

2015-02-21 17:58:38 [FINE] [ForgeModLoader] Java classpath at launch is minecraftforge-universal-1.6.4-9.11.1.965-v164-pregradle.jar

2015-02-21 17:58:38 [FINE] [ForgeModLoader] Java library path at launch is C:\ProgramData\Oracle\Java\javapath;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;C:\ProgramData\Oracle\Java\javapath;C:\Program Files\NVIDIA Corporation\PhysX\Common;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;.

2015-02-21 17:58:38 [FINE] [ForgeModLoader] Enabling runtime deobfuscation

2015-02-21 17:58:38 [FINE] [ForgeModLoader] Instantiating coremod class FMLCorePlugin

2015-02-21 17:58:38 [FINE] [ForgeModLoader] Enqueued coremod FMLCorePlugin

2015-02-21 17:58:38 [FINE] [ForgeModLoader] Instantiating coremod class FMLForgePlugin

2015-02-21 17:58:38 [FINE] [ForgeModLoader] Enqueued coremod FMLForgePlugin

2015-02-21 17:58:38 [FINE] [ForgeModLoader] All fundamental core mods are successfully located

2015-02-21 17:58:38 [FINE] [ForgeModLoader] Discovering coremods

2015-02-21 17:58:38 [iNFO] [ForgeModLoader] Loading tweak class name cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker

2015-02-21 17:58:38 [iNFO] [ForgeModLoader] Loading tweak class name cpw.mods.fml.common.launcher.FMLDeobfTweaker

2015-02-21 17:58:38 [iNFO] [ForgeModLoader] Calling tweak class cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker

2015-02-21 17:58:38 [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)

 

Exactly what I thought, READ THE DAMN EAQS THEY EXIST FOR THIS EXACT REASON.