profil forge qui ne se charge pas

Coucou, comme dit dans le titre je n'arrive pas a lancer le profil forge et je ne vois pas d'où cela peut venir...
je vous met le game output si ça peut vous aider...a m'aider .
Je vous remercie d'avance pour l'aide que vous pourrez m'apporter.

[16:37:06] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLTweaker
[16:37:06] [main/INFO] [LaunchWrapper]: Using primary tweak class name cpw.mods.fml.common.launcher.FMLTweaker
[16:37:06] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.common.launcher.FMLTweaker
[16:37:06] [main/INFO] [FML]: Forge Mod Loader version 7.2.109.1019 for Minecraft 1.7.2 loading
[16:37:06] [main/INFO] [FML]: Java is Java HotSpot(TM) 64-Bit Server VM, version 1.8.0_25, running on Windows 7:amd64:6.1, installed at C:\Program Files (x86)\Minecraft\runtime\jre-x64\1.8.0_25
[16:37:06] [main/INFO] [FML]: Loading tweaker optifine.OptiFineForgeTweaker from OptiFine_1.7.2_HD_U_C2.jar
[16:37:06] [main/INFO] [FML]: Loading tweaker shadersmodcore.loading.SMCTweaker from ShadersModCore-v2.3.4-mc1.7.2-f1019.jar
[16:37:06] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[16:37:06] [main/INFO] [LaunchWrapper]: Loading tweak class name optifine.OptiFineForgeTweaker
[16:37:06] [main/INFO] [LaunchWrapper]: Loading tweak class name shadersmodcore.loading.SMCTweaker
[16:37:06] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLDeobfTweaker
[16:37:06] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[16:37:06] [main/ERROR] [LaunchWrapper]: Unable to launch
java.util.ConcurrentModificationException
at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:901) ~[?:1.8.0_25]
at java.util.ArrayList$Itr.remove(ArrayList.java:865) ~[?:1.8.0_25]
at net.minecraft.launchwrapper.Launch.launch(Launch.java:117) [launchwrapper-1.9.jar:?]
at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.9.jar:?]
Java HotSpot(TM) 64-Bit Server VM warning: Using incremental CMS is deprecated and will likely be removed in a future release

 

Génial merci ça fonctionne, je te suis vraiment reconnaissant