[ghosthawk78]

- 28 Jun 2015 23:58 #156868 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

[MrMasochism]

- 29 Jun 2015 00:22 #156870 If I recall correctly that's due to an incompatible version of forge. I could be making that up though...

[MoeBoy76]

- 29 Jun 2015 02:11 #156873 It usually happens to cracked launchers, cos they don't use some stuff correctly and so forge (and any mods that log properly) errors when it tries to log something at startup