Closed problem when I launch the modpack (Skyfactory)

[adriazerty]

Summary of the problem problem when I launch the modpack (Skyfactory)

Pack Version 2.5.5

What is the bug? I click "play" on curse for the modpack, curse open minecraft when I click on play on the minecraft doesn't launch and he put this(crash report) (sorry for my english but I'm french)
[16:49:53] [main/INFO]: Loading tweak class name cpw.mods.fml.common.launcher.FMLTweaker
[16:49:53] [main/ERROR]: Unable to launch
java.lang.ClassNotFoundException: cpw.mods.fml.common.launcher.FMLTweaker
at java.net.URLClassLoader$1.run(URLClassLoader.java:372) ~[?:1.8.0_25]
at java.net.URLClassLoader$1.run(URLClassLoader.java:361) ~[?:1.8.0_25]
at java.security.AccessController.doPrivileged(Native Method) ~[?:1.8.0_25]
at java.net.URLClassLoader.findClass(URLClassLoader.java:360) ~[?:1.8.0_25]
at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_25]
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308) ~[?:1.8.0_25]
at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_25]
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:106) ~[launchwrapper-1.12.jar:?]
at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_25]
at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_25]
at java.lang.Class.forName0(Native Method) ~[?:1.8.0_25]
at java.lang.Class.forName(Class.java:344) ~[?:1.8.0_25]
at net.minecraft.launchwrapper.Launch.launch(Launch.java:98) [launchwrapper-1.12.jar:?]
at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.12.jar:?]
Java HotSpot(TM) 64-Bit Server VM warning: ignoring option PermSize=256m; support was removed in 8.0

Mod & Version forge 1.7.10
forge-10.13.4.1614

Link to log file

Is it repeatable? Yes when I click on play on the minecraft

Known Fix No

 

[UniZero]

https://gist.github.com/jikuja/7e0828dca7d264e850be306b58893127

 

[adriazerty]

Hello,
Thank you. You resolve my problem.