error

16:55:21
game
info
[16:55:21] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLInjectionAndSortingTweaker
16:55:21
game
info
[16:55:21] [main/INFO] [LaunchWrapper]: Loading tweak class name guichaguri.betterfps.tweaker.BetterFpsTweaker
16:55:21
game
info
[16:55:21] [main/INFO] [LaunchWrapper]: Loading tweak class name fastcraft.legacy.Tweaker
16:55:21
game
info
Exception in thread "main" [16:55:21] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: java.lang.ExceptionInInitializerError
16:55:21
game
info
[16:55:21] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at java.lang.Class.forName0(Native Method)
16:55:21
game
info
[16:55:21] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at java.lang.Class.forName(Class.java:348)
16:55:21
game
info
[16:55:21] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at net.minecraft.launchwrapper.Launch.launch(Launch.java:98)
16:55:21
game
info
[16:55:21] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
16:55:21
game
info
[16:55:21] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1061]: Caused by: java.lang.IllegalStateException: Fastcraft is not correctly installed, dropping it into mods is insufficient
16:55:21
game
info
[16:55:21] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1061]: at fastcraft.legacy.Tweaker.<clinit>(F:1019)
16:55:21
game
info
[16:55:21] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1061]: ... 4 more
16:55:22
monitor
Process Monitor
fatal
Process crashed with exit code 1