Hi, I'm from Russia.

I am having problem with installing forge for minecraft 1.8

I have installed the latest version (1.8-Forge11.14.0.1285). But after I press the play button, you receive the error. (sorry for my English).

Please help me.

 

Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/logging/log4j/Level

at net.minecraft.launchwrapper.Launch.launch(Launch.java:94)

at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

Caused by: java.lang.ClassNotFoundException: org.apache.logging.log4j.Level

at java.net.URLClassLoader$1.run(Unknown Source)

at java.net.URLClassLoader$1.run(Unknown Source)

at java.security.AccessController.doPrivileged(Native Method)

at java.net.URLClassLoader.findClass(Unknown Source)

at java.lang.ClassLoader.loadClass(Unknown Source)

at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)

at java.lang.ClassLoader.loadClass(Unknown Source)

... 2 more

Java HotSpot 64-Bit Server VM warning: Using incremental CMS is deprecated and will likely be removed in a future releas

 

I use launcher TeamExtreme Minecraft Launcher 3.5