Internal Error help please

[absty]

---- Crashed! ----
Date/Time: 2023/11/05 24:53:24.8857
Quilt Loader Version: 0.21.2

-- Crash --

org.quiltmc.loader.impl.FormattedException: java.lang.RuntimeException: Mixin transformation of net.minecraft.class_1309 failed
	at org.quiltmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:553)
	at org.quiltmc.loader.impl.launch.knot.Knot.launch(Knot.java:84)
	at org.quiltmc.loader.impl.launch.knot.KnotClient.main(KnotClient.java:28)
	at org.prismlauncher.launcher.impl.StandardLauncher.launch(StandardLauncher.java:88)
	at org.prismlauncher.EntryPoint.listen(EntryPoint.java:126)
	at org.prismlauncher.EntryPoint.main(EntryPoint.java:71)
Caused by: java.lang.RuntimeException: Mixin transformation of net.minecraft.class_1309 failed
	at org.quiltmc.loader.impl.launch.knot.KnotClassDelegate.getPostMixinClassByteArray(KnotClassDelegate.java:459)
	at org.quiltmc.loader.impl.launch.knot.KnotClassDelegate.tryLoadClass(KnotClassDelegate.java:241)
	at org.quiltmc.loader.impl.launch.knot.KnotClassDelegate.loadClassOnly(KnotClassDelegate.java:161)
	at org.quiltmc.loader.impl.launch.knot.KnotClassDelegate.loadClass(KnotClassDelegate.java:147)
	at org.quiltmc.loader.impl.launch.knot.KnotClassLoader.loadClass(KnotClassLoader.java:239)
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:520)
	at java.base/java.lang.ClassLoader.defineClass1(Native Method)
	at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1012)
	at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:150)
	at org.quiltmc.loader.impl.launch.knot.KnotClassLoader.defineClassFwd(KnotClassLoader.java:321)
	at org.quiltmc.loader.impl.launch.knot.KnotClassDelegate.tryLoadClass(KnotClassDelegate.java:296)
	at org.quiltmc.loader.impl.launch.knot.KnotClassDelegate.loadClassOnly(KnotClassDelegate.java:161)
	at org.quiltmc.loader.impl.launch.knot.KnotClassDelegate.loadClass(KnotClassDelegate.java:147)
	at org.quiltmc.loader.impl.launch.knot.KnotClassLoader.loadClass(KnotClassLoader.java:239)
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:520)
	at net.minecraft.class_2966.method_12851(class_2966.java:54)
	at net.minecraft.client.main.Main.main(Main.java:166)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
	at org.quiltmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:551)
	... 5 more
Caused by: org.spongepowered.asm.mixin.transformer.throwables.MixinTransformerError: An unexpected critical error was encountered
	at org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:392)
	at org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClass(MixinTransformer.java:234)
	at org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClassBytes(MixinTransformer.java:202)
	at org.quiltmc.loader.impl.launch.knot.KnotClassDelegate.getPostMixinClassByteArray(KnotClassDelegate.java:454)
	... 26 more
Caused by: org.spongepowered.asm.mixin.transformer.throwables.MixinPreProcessorException: Attach error for #xbob_mixin:mixin.xbob.json:v1_20.LivingEntityMixin from mod xbob_mixin during activity: [Transform -> Method onDamage(Lnet/minecraft/class_1282;FLorg/spongepowered/asm/mixin/injection/callback/CallbackInfoReturnable;)V -> INVOKESTATIC -> krash220/xbob/game/api/bus/PlayerBus::onAttack:(Lnet/minecraft/class_1309;Lnet/minecraft/class_1282;F)V]
	at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.attach(MixinPreProcessorStandard.java:313)
	at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.createContextFor(MixinPreProcessorStandard.java:277)
	at org.spongepowered.asm.mixin.transformer.MixinInfo.createContextFor(MixinInfo.java:1289)
	at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.apply(MixinApplicatorStandard.java:294)
	at org.spongepowered.asm.mixin.transformer.TargetClassContext.apply(TargetClassContext.java:421)
	at org.spongepowered.asm.mixin.transformer.TargetClassContext.applyMixins(TargetClassContext.java:403)
	at org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:363)
	... 29 more
Caused by: java.lang.RuntimeException: java.lang.ClassNotFoundException: krash220.xbob.game.api.bus.PlayerBus
	at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.transformMemberReference(MixinPreProcessorStandard.java:786)
	at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.transformMethod(MixinPreProcessorStandard.java:772)
	at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.transform(MixinPreProcessorStandard.java:738)
	at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.attach(MixinPreProcessorStandard.java:307)
	... 35 more
Caused by: java.lang.ClassNotFoundException: krash220.xbob.game.api.bus.PlayerBus
	... 39 more

[SplendidAlakey]

Do you use this mod - https://www.curseforge.com/minecraft/mc-mods/xbob? It seems like this mod is missing some dependency or maybe some other mod depends on it for some reason.