SGSambam

I have made my own modpack with curseforge but it crashes on load and i am not sure why can some please help me ---- Minecraft Crash Report ---- // I let you down. Sorry :( Time: 2021-12-19 17:22:47 GMT Description: Initializing game java.lang.IllegalAccessError: tried to access class org.spongepowered.asm.mixin.transformer.MixinProcessor from class net.minecraftforge.fml.common.Loader at net.minecraftforge.fml.common.Loader.handler$zza000$beforeConstructingMods(Loader.java:1141) at net.minecraftforge.fml.common.Loader.loadMods(Loader.java:594) at net.minecraftforge.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:232) at net.minecraft.client.Minecraft.init(Minecraft.java:467) at net.minecraft.client.Minecraft.run(Minecraft.java:3931) at net.minecraft.client.main.Main.main(SourceFile:123) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:497) at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) at net.minecraft.launchwrapper.Launch.main(Launch.java:28) A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- Crash Report