Title. Using version 1.7.1 for forge. I've managed to setup the dependencies but then this keeps happening

Exception in thread "main" java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:32)
at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:53)
at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:71)
at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.Launcher.run(Launcher.java:108)
at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.Launcher.main(Launcher.java:78)
at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:26)
at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:23)
at [email protected]/cpw.mods.bootstraplauncher.BootstrapLauncher.main(BootstrapLauncher.java:141)
Caused by: java.lang.reflect.InvocationTargetException
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 MC-BOOTSTRAP/[email protected]/net.minecraftforge.fml.loading.targets.ForgeDataUserdevLaunchHandler.lambda$launchService$0(ForgeDataUserdevLaunchHandler.java:28)
at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:30)
... 7 more
Caused by: org.spongepowered.asm.mixin.transformer.throwables.MixinTransformerError: An unexpected critical error was encountered
at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:392)
at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClass(MixinTransformer.java:250)
at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.service.modlauncher.MixinTransformationHandler.processClass(MixinTransformationHandler.java:131)
at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.launch.MixinLaunchPluginLegacy.processClass(MixinLaunchPluginLegacy.java:131)
at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.serviceapi.ILaunchPluginService.processClassWithFlags(ILaunchPluginService.java:156)
at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.LaunchPluginHandler.offerClassNodeToPlugins(LaunchPluginHandler.java:88)
at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.ClassTransformer.transform(ClassTransformer.java:120)
at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.TransformingClassLoader.maybeTransformClassBytes(TransformingClassLoader.java:50)
at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.readerToClass(ModuleClassLoader.java:113)
at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.lambda$findClass$15(ModuleClassLoader.java:219)
at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.loadFromModule(ModuleClassLoader.java:229)
at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.findClass(ModuleClassLoader.java:219)
at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.loadClass(ModuleClassLoader.java:135)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:520)
at TRANSFORMER/[email protected]/net.minecraftforge.registries.GameData.init(GameData.java:108)
at TRANSFORMER/[email protected]/net.minecraftforge.registries.GameData.(GameData.java:93)
at TRANSFORMER/[email protected]/net.minecraft.core.Registry.forge(Registry.java:435)
at TRANSFORMER/[email protected]/net.minecraft.core.Registry.forge(Registry.java:419)
at TRANSFORMER/[email protected]/net.minecraft.core.Registry.(Registry.java:186)
at TRANSFORMER/[email protected]/net.minecraft.server.Bootstrap.bootStrap(Bootstrap.java:43)
at TRANSFORMER/[email protected]/net.minecraftforge.data.loading.DatagenModLoader.begin(DatagenModLoader.java:35)
at TRANSFORMER/[email protected]/net.minecraft.data.Main.main(Main.java:76)
... 13 more
Caused by: org.spongepowered.asm.mixin.throwables.MixinApplyError: Mixin [bettercombat.mixins.json:LivingEntityMixin] from phase [DEFAULT] in config [bettercombat.mixins.json] FAILED during APPLY
at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.MixinProcessor.handleMixinError(MixinProcessor.java:636)
at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.MixinProcessor.handleMixinApplyError(MixinProcessor.java:588)
at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:379)
... 34 more
Caused by: org.spongepowered.asm.mixin.injection.throwables.InvalidInjectionException: Critical injection failure: @Inject annotation on getAttributeValue_Inject could not find any targets matching 'Lnet/minecraft/world/entity/LivingEntity;m_21133_(Lnet/minecraft/world/entity/ai/attributes/Attribute;)D' in net.minecraft.world.entity.LivingEntity. Using refmap bettercombat-common-common-refmap.json [PREINJECT Applicator Phase -> bettercombat.mixins.json:LivingEntityMixin -> Prepare Injections -> -> handler$zzb000$getAttributeValue_Inject(Lnet/minecraft/world/entity/ai/attributes/Attribute;Lorg/spongepowered/asm/mixin/injection/callback/CallbackInfoReturnable;)V -> Parse]
at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.injection.struct.InjectionInfo.validateTargets(InjectionInfo.java:656)
at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.injection.struct.InjectionInfo.findTargets(InjectionInfo.java:587)
at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.injection.struct.InjectionInfo.readAnnotation(InjectionInfo.java:330)
at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.injection.struct.InjectionInfo.(InjectionInfo.java:316)
at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.injection.struct.InjectionInfo.(InjectionInfo.java:308)
at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.injection.struct.CallbackInjectionInfo.(CallbackInjectionInfo.java:46)
at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.injection.struct.InjectionInfo$InjectorEntry.create(InjectionInfo.java:149)
at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.injection.struct.InjectionInfo.parse(InjectionInfo.java:708)
at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.MixinTargetContext.prepareInjections(MixinTargetContext.java:1311)
at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.prepareInjections(MixinApplicatorStandard.java:1042)
at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.applyMixin(MixinApplicatorStandard.java:393)
at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.apply(MixinApplicatorStandard.java:325)
at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.TargetClassContext.apply(TargetClassContext.java:383)
at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.TargetClassContext.applyMixins(TargetClassContext.java:365)
at MC-BOOTSTRAP/org.spongepowered.mixin/org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:363)

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