19:20:15] [main/ERROR] [LaunchWrapper]: Unable to launch
java.lang.ClassNotFoundException: org.spongepowered.asm.launch.MixinTweaker
at java.net.URLClassLoader.findClass(Unknown Source) ~[?:1.8.0_201]
at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_201]
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) ~[?:1.8.0_201]
at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_201]
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:106) ~[launchwrapper-1.12.jar:?]
at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_201]
at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_201]
at java.lang.Class.forName0(Native Method) ~[?:1.8.0_201]
at java.lang.Class.forName(Unknown Source) ~[?:1.8.0_201]
at net.minecraft.launchwrapper.Launch.launch(Launch.java:98) [launchwrapper-1.12.jar:?]
at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.12.jar:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_201]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_201]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_201]
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_201]
at org.polymc.impl.OneSixLauncher.invokeMain(OneSixLauncher.java:104) [NewLaunch.jar:?]
at org.polymc.impl.OneSixLauncher.launchWithMainClass(OneSixLauncher.java:176) [NewLaunch.jar:?]
at org.polymc.impl.OneSixLauncher.launch(OneSixLauncher.java:186) [NewLaunch.jar:?]
at org.polymc.EntryPoint.listen(EntryPoint.java:144) [NewLaunch.jar:?]
at org.polymc.EntryPoint.main(EntryPoint.java:74) [NewLaunch.jar:?]
Jul 04, 2024 7:20:15 PM org.polymc.EntryPoint listen
SEVERE: Exception caught from launcher.
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.polymc.impl.OneSixLauncher.invokeMain(OneSixLauncher.java:104)
at org.polymc.impl.OneSixLauncher.launchWithMainClass(OneSixLauncher.java:176)
at org.polymc.impl.OneSixLauncher.launch(OneSixLauncher.java:186)
at org.polymc.EntryPoint.listen(EntryPoint.java:144)
at org.polymc.EntryPoint.main(EntryPoint.java:74)
Caused by: net.minecraftforge.fml.relauncher.FMLSecurityManager$ExitTrappedException
at net.minecraftforge.fml.relauncher.FMLSecurityManager.checkPermission(FMLSecurityManager.java:49)
at java.lang.SecurityManager.checkExit(Unknown Source)
at java.lang.Runtime.exit(Unknown Source)
at java.lang.System.exit(Unknown Source)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:138)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
... 9 more
Jul 04, 2024 7:20:15 PM org.polymc.EntryPoint main
INFO: Exiting with 1
Exception in thread "main"
[19:20:15] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:-1]: net.minecraftforge.fml.relauncher.FMLSecurityManager$ExitTrappedException
[19:20:15] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:-1]: at net.minecraftforge.fml.relauncher.FMLSecurityManager.checkPermission(FMLSecurityManager.java:49)
[19:20:15] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:-1]: at java.lang.SecurityManager.checkExit(Unknown Source)
[19:20:15] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:-1]: at java.lang.Runtime.exit(Unknown Source)
[19:20:15] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:-1]: at java.lang.System.exit(Unknown Source)
[19:20:15] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:-1]: at org.polymc.EntryPoint.main(EntryPoint.java:79)
Process exited with code 1.

Did you install MixinBooter yet?