Scar135

i keep getting this from my log: [16:50:26] [main/ERROR]: A critical problem occurred registering the ASM transformer class java.lang.ClassNotFoundException: at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191) ~[launchwrapper-1.12.jar:?] at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_51] at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_51] at net.minecraft.launchwrapper.LaunchClassLoader.registerTransformer(LaunchClassLoader.java:88) [launchwrapper-1.12.jar:?] at net.minecraftforge.fml.common.launcher.FMLDeobfTweaker.injectIntoClassLoader(FMLDeobfTweaker.java:46) [forge-1.12.2-14.23.5.2815.jar:?] at net.minecraft.launchwrapper.Launch.launch(Launch.java:115) [launchwrapper-1.12.jar:?] at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.12.jar:?] Caused by: java.lang.NullPointerException at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182) ~[launchwrapper-1.12.jar:?] ... 6 more [16:50:26] [main/DEBUG]: Validating minecraft [16:50:26] [main/INFO]: [java.lang.ThreadGroup:uncaughtException:1052]: java.lang.NoClassDefFoundError: net/minecraftforge/fml/common/ICrashCallable [16:50:26] [main/INFO]: [java.lang.ThreadGroup:uncaughtException:1052]: at java.lang.Class.forName0(Native Method) [16:50:26] [main/INFO]: [java.lang.ThreadGroup:uncaughtException:1052]: at java.lang.Class.forName(Class.java:348) [16:50:26] [main/INFO]: [java.lang.ThreadGroup:uncaughtException:1052]: at net.minecraftforge.fml.common.launcher.FMLDeobfTweaker.injectIntoClassLoader(FMLDeobfTweaker.java:56) [16:50:26] [main/INFO]: [java.lang.ThreadGroup:uncaughtException:1052]: at net.minecraft.launchwrapper.Launch.launch(Launch.java:115) [16:50:26] [main/INFO]: [java.lang.ThreadGroup:uncaughtException:1052]: at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [16:50:26] [main/INFO]: [java.lang.ThreadGroup:uncaughtException:1061]: Caused by: java.lang.ClassNotFoundException: net.minecraftforge.fml.common.ICrashCallable [16:50:26] [main/INFO]: [java.lang.ThreadGroup:uncaughtException:1061]: at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191) [16:50:26] [main/INFO]: [java.lang.ThreadGroup:uncaughtException:1061]: at java.lang.ClassLoader.loadClass(ClassLoader.java:424) [16:50:26] [main/INFO]: [java.lang.ThreadGroup:uncaughtException:1061]: at java.lang.ClassLoader.loadClass(ClassLoader.java:357) [16:50:26] [main/INFO]: [java.lang.ThreadGroup:uncaughtException:1061]: ... 5 more [16:50:26] [main/INFO]: [java.lang.Throwable:printStackTrace:643]: Caused by: java.lang.IncompatibleClassChangeError: Implementing class [16:50:26] [main/INFO]: [java.lang.Throwable:printStackTrace:643]: at java.lang.ClassLoader.defineClass1(Native Method) [16:50:26] [main/INFO]: [java.lang.Throwable:printStackTrace:643]: at java.lang.ClassLoader.defineClass(ClassLoader.java:760) [16:50:26] [main/INFO]: [java.lang.Throwable:printStackTrace:643]: at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) [16:50:26] [main/INFO]: [java.lang.Throwable:printStackTrace:643]: at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182) [16:50:26] [main/INFO]: [java.lang.Throwable:printStackTrace:643]: ... 7 more