[21:44:56] [INFO]: Launching client <TERRAFIRMACRAFT>
[21:44:56] [INFO]: Minecraft version: 1.12.2
[21:44:56] [INFO]: Performance mode: enbaled
[21:44:56] [INFO]: Memory size: 5209mb
[21:44:56] [INFO]: PRE validating context...
[21:44:57] [INFO]: [21:44:57] [main/INFO]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLTweaker
[21:44:57] [INFO]: [21:44:57] [main/ERROR]: Unable to launch
[21:44:57] [INFO]: java.lang.ClassNotFoundException: net.minecraftforge.fml.common.launcher.FMLTweaker
[21:44:57] [INFO]: at java.net.URLClassLoader.findClass(URLClassLoader.java:382) ~[?:1.8.0_221]
[21:44:57] [INFO]: at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_221]
[21:44:57] [INFO]: at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349) ~[?:1.8.0_221]
[21:44:57] [INFO]: at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_221]
[21:44:57] [INFO]: at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:106) ~[launchwrapper-1.12.jar:?]
[21:44:57] [INFO]: at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_221]
[21:44:57] [INFO]: at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_221]
[21:44:57] [INFO]: at java.lang.Class.forName0(Native Method) ~[?:1.8.0_221]
[21:44:57] [INFO]: at java.lang.Class.forName(Class.java:348) ~[?:1.8.0_221]
[21:44:57] [INFO]: at net.minecraft.launchwrapper.Launch.launch(Launch.java:98) [launchwrapper-1.12.jar:?]
[21:44:57] [INFO]: at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.12.jar:?]
[21:44:57] [INFO]: Java HotSpot(TM) 64-Bit Server VM warning: Using incremental CMS is deprecated and will likely be removed in a future release
[21:44:57] [WARN]:
ru.excalibur.launcher.i.b.h: Crash with reason <unknown>
at ru.excalibur.launcher.i.b.m.g(a:223) ~[launcher.jar:?]
at ru.excalibur.launcher.i.b.m.g(a:190) ~[launcher.jar:?]
at ru.excalibur.launcher.i.b.A.g(va:410) ~[launcher.jar:?]
at ru.excalibur.launcher.i.b.f.g(qa:314) ~[launcher.jar:?]
at ru.excalibur.launcher.i.b.f.g(qa:124) ~[launcher.jar:?]
at ru.excalibur.launcher.i.b.f.g(qa:199) ~[launcher.jar:?]
at ru.excalibur.launcher.p.b.b.F.g(pa:36) ~[launcher.jar:?]
at ru.excalibur.launcher.p.i.run(ja:64) ~[launcher.jar:?]
[21:44:57] [INFO]: Sending notify...