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Default forge mod crashes on start and doesn't seem to build right. Can anyone help?
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1.00/5 (2 votes)
When I start the default forge 1.12.2 minecraft mod using [runClient] in itellji I get this crash:
Note this is the mdk from Downloads for Minecraft Forge for Minecraft 1.12.2[^] 

Time: 7/12/23 9:43 PM
Description: There was a severe problem during mod loading that has caused the game to fail

net.minecraftforge.fml.common.LoaderExceptionModCrash: Caught exception from Forge Mod Loader (FML)
Caused by: java.lang.NullPointerException
	at net.minecraftforge.fml.common.network.NetworkRegistry.newChannel(NetworkRegistry.java:207)
	at net.minecraftforge.fml.common.network.internal.FMLNetworkHandler.registerChannel(FMLNetworkHandler.java:185)
	at net.minecraftforge.fml.common.FMLContainer.modConstruction(FMLContainer.java:92)
	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:498)
	at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91)
	at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150)
	at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76)
	at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399)
	at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71)
	at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116)
	at com.google.common.eventbus.EventBus.post(EventBus.java:217)
	at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:219)
	at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:197)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91)
	at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150)
	at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76)
	at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399)
	at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71)
	at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116)
	at com.google.common.eventbus.EventBus.post(EventBus.java:217)
	at net.minecraftforge.fml.common.LoadController.distributeStateMessage(LoadController.java:136)
	at net.minecraftforge.fml.common.Loader.loadMods(Loader.java:595)
	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:378)
	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:498)
	at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
	at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
	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:498)
	at net.minecraftforge.legacydev.Main.start(Main.java:86)
	at net.minecraftforge.legacydev.MainClient.main(MainClient.java:29)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- System Details --
Details:
	Minecraft Version: 1.12.2
	Operating System: Windows 10 (amd64) version 10.0
	Java Version: 1.8.0_382, IBM Corporation
	Java VM Version: Eclipse OpenJ9 VM (JRE 1.8.0 Windows 10 amd64-64-Bit Compressed References 20230608_693 (JIT enabled, AOT enabled)
OpenJ9   - 936ec5450
OMR      - 0e572348b
JCL      - 1a75d66cae based on jdk8u382-b03), Eclipse OpenJ9
	Memory: 14693528 bytes (14 MB) / 135135232 bytes (128 MB) up to 4280090624 bytes (4081 MB)
	JVM Flags: 4 total; -Xoptionsfile=C:\Users\gmans\.jdks\semeru-1.8.0_382\jre\bin\default\options.default -Xlockword:mode=default,noLockword=java/lang/String,noLockword=java/util/MapEntry,noLockword=java/util/HashMap$Entry,noLockword=org/apache/harmony/luni/util/ModifiedMap$Entry,noLockword=java/util/Hashtable$Entry,noLockword=java/lang/invoke/MethodType,noLockword=java/lang/invoke/MethodHandle,noLockword=java/lang/invoke/CollectHandle,noLockword=java/lang/invoke/ConstructorHandle,noLockword=java/lang/invoke/ConvertHandle,noLockword=java/lang/invoke/ArgumentConversionHandle,noLockword=java/lang/invoke/AsTypeHandle,noLockword=java/lang/invoke/ExplicitCastHandle,noLockword=java/lang/invoke/FilterReturnHandle,noLockword=java/lang/invoke/DirectHandle,noLockword=java/lang/invoke/ReceiverBoundHandle,noLockword=java/lang/invoke/DynamicInvokerHandle,noLockword=java/lang/invoke/FieldHandle,noLockword=java/lang/invoke/FieldGetterHandle,noLockword=java/lang/invoke/FieldSetterHandle,noLockword=java/lang/invoke/StaticFieldGetterHandle,noLockword=java/lang/invoke/StaticFieldSetterHandle,noLockword=java/lang/invoke/IndirectHandle,noLockword=java/lang/invoke/InterfaceHandle,noLockword=java/lang/invoke/VirtualHandle,noLockword=java/lang/invoke/PrimitiveHandle,noLockword=java/lang/invoke/InvokeExactHandle,noLockword=java/lang/invoke/InvokeGenericHandle,noLockword=java/lang/invoke/VarargsCollectorHandle,noLockword=java/lang/invoke/ThunkTuple -XX:+EnsureHashed:java/lang/Class,java/lang/Thread -Xjcl:jclse29
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	FML: MCP 9.42 Powered by Forge 14.23.5.2859 5 mods loaded, 5 mods active
	States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored

	| State | ID         | Version      | Source                                                      | Signature |
	|:----- |:---------- |:------------ |:----------------------------------------------------------- |:--------- |
	| LC    | minecraft  | 1.12.2       | minecraft.jar                                               | None      |
	| LC    | mcp        | 9.42         | minecraft.jar                                               | None      |
	| LE    | FML        | 8.0.99.99    | forge-1.12.2-14.23.5.2859_mapped_snapshot_20171003-1.12.jar | None      |
	| L     | forge      | 14.23.5.2859 | forge-1.12.2-14.23.5.2859_mapped_snapshot_20171003-1.12.jar | None      |
	| L     | examplemod | 1.0          | main                                                        | None      |

	Loaded coremods (and transformers): 
	GL info: ' Vendor: 'NVIDIA Corporation' Version: '4.6.0 NVIDIA 419.72' Renderer: 'Quadro K2100M/PCIe/SSE2'
[21:43:17] [Client thread/INFO] [STDOUT]: [net.minecraft.init.Bootstrap:printToSYSOUT:553]: #@!@# Game crashed! Crash report saved to: #@!@# C:\Users\gmans\Desktop\Java\ahhhwhynowork\run\.\crash-reports\crash-2023-07-12_21.43.17-client.txt

> Task :runClient FAILED
```
And I know this is very simalar to https://stackoverflow.com/questions/68377027/minecraft-forge-mod-loader-fml-loading-and-crashing-mc but I have tried their solutions and they have not worked. There also seems to be problems importing it when I first load it(When the external sources are appearing)
I get this error:

```

> Configure project :
New Dep: net.minecraftforge:forge:1.12.2-14.23.5.2859_mapped_snapshot_20171003-1.12

Deprecated Gradle features were used in this build, making it incompatible with Gradle 5.0.
Use '--warning-mode all' to show the individual deprecation warnings.
See https://docs.gradle.org/4.9/userguide/command_line_interface.html#sec:command_line_warnings

BUILD SUCCESSFUL in 2s

  Failed to apply patch: net.minecraftforge:forge:1.12.2-14.23.5.2859:userdev3: patches/net/minecraft/crash/CrashReportCategory.java
    Hunk #1 Failed: Cannot find hunk target
Error getting artifact: net.minecraftforge:forge:1.12.2-14.23.5.2859_mapped_snapshot_20171003-1.12:sources@jar from  MinecraftUserRepo
java.lang.RuntimeException: Failed to apply patches to source file, see log for details: C:\Users\gmans\.gradle\caches\forge_gradle\minecraft_user_repo\net\minecraftforge\forge\1.12.2-14.23.5.2859\forge-1.12.2-14.23.5.2859-decomp.jar
	at net.minecraftforge.gradle.userdev.MinecraftUserRepo.findPatched(MinecraftUserRepo.java:1071)
	at net.minecraftforge.gradle.userdev.MinecraftUserRepo.findSource(MinecraftUserRepo.java:1107)
	at net.minecraftforge.gradle.userdev.MinecraftUserRepo.findFile(MinecraftUserRepo.java:411)
	at net.minecraftforge.gradle.common.util.BaseRepo.getArtifact(BaseRepo.java:81)
	at net.minecraftforge.gradle.common.util.BaseRepo.getArtifact(BaseRepo.java:41)
	at net.minecraftforge.gradle.common.util.BaseRepo$Builder$1.lambda$getArtifact$0(BaseRepo.java:127)
	at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
	at java.util.ArrayList$ArrayListSpliterator.tryAdvance(ArrayList.java:1361)
	at java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:126)
	at java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:514)
	at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:501)
	at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:487)
	at java.util.stream.FindOps$FindOp.evaluateSequential(FindOps.java:152)
	at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:241)
	at java.util.stream.ReferencePipeline.findFirst(ReferencePipeline.java:531)
	at net.minecraftforge.gradle.common.util.BaseRepo$Builder$1.getArtifact(BaseRepo.java:127)
	at net.minecraftforge.gradle.common.util.BaseRepo$Builder$1.getArtifact(BaseRepo.java:124)
	at com.amadornes.artifactural.base.repository.ArtifactProviderBuilder$Complete.getArtifact(ArtifactProviderBuilder.java:92)
	at com.amadornes.artifactural.base.repository.SimpleRepository.getArtifact(SimpleRepository.java:41)
	at com.amadornes.artifactural.gradle.GradleRepositoryAdapter$GeneratingFileResourceRepository.findArtifact(GradleRepositoryAdapter.java:298)
	at com.amadornes.artifactural.gradle.GradleRepositoryAdapter$GeneratingFileResourceRepository.resource(GradleRepositoryAdapter.java:277)
	at com.amadornes.artifactural.gradle.GradleRepositoryAdapter$GeneratingFileResourceRepository.resource(GradleRepositoryAdapter.java:243)
	at org.gradle.api.internal.artifacts.repositories.resolver.DefaultExternalResourceArtifactResolver.staticResourceExists(DefaultExternalResourceArtifactResolver.java:83)
	at org.gradle.api.internal.artifacts.repositories.resolver.DefaultExternalResourceArtifactResolver.artifactExists(DefaultExternalResourceArtifactResolver.java:71)
	at org.gradle.api.internal.artifacts.repositories.resolver.ExternalResourceResolver.findOptionalArtifacts(ExternalResourceResolver.java:260)
	at org.gradle.api.internal.artifacts.repositories.resolver.MavenResolver$MavenRemoteRepositoryAccess.resolveSourceArtifacts(MavenResolver.java:264)
	at org.gradle.api.internal.artifacts.repositories.resolver.MavenResolver$MavenRemoteRepositoryAccess.resolveSourceArtifacts(MavenResolver.java:240)
	at org.gradle.api.internal.artifacts.repositories.resolver.ExternalResourceResolver$AbstractRepositoryAccess.resolveArtifactsWithType(ExternalResourceResolver.java:380)
	at org.gradle.api.internal.artifacts.repositories.resolver.ExternalResourceResolver$RemoteRepositoryAccess.resolveArtifactsWithType(ExternalResourceResolver.java:450)
	at com.amadornes.artifactural.gradle.GradleRepositoryAdapter$1$1.resolveArtifactsWithType(GradleRepositoryAdapter.java:202)
	at org.gradle.api.internal.artifacts.ivyservice.ivyresolve.CachingModuleComponentRepository$ResolveAndCacheRepositoryAccess.resolveArtifactsWithType(CachingModuleComponentRepository.java:402)
	at org.gradle.api.internal.artifacts.ivyservice.ivyresolve.LocalModuleComponentRepository$LocalAccess.resolveArtifactsWithType(LocalModuleComponentRepository.java:89)
	at org.gradle.api.internal.artifacts.ivyservice.ivyresolve.ErrorHandlingModuleComponentRepository$ErrorHandlingModuleComponentRepositoryAccess.resolveArtifactsWithType(ErrorHandlingModuleComponentRepository.java:153)
	at org.gradle.api.internal.artifacts.ivyservice.ivyresolve.RepositoryChainArtifactResolver.resolveArtifactsWithType(RepositoryChainArtifactResolver.java:50)
	at org.gradle.api.internal.artifacts.ivyservice.ivyresolve.ErrorHandlingArtifactResolver.resolveArtifactsWithType(ErrorHandlingArtifactResolver.java:37)
	at org.gradle.api.internal.artifacts.query.DefaultArtifactResolutionQuery.addArtifacts(DefaultArtifactResolutionQuery.java:175)
	at org.gradle.api.internal.artifacts.query.DefaultArtifactResolutionQuery.buildComponentResult(DefaultArtifactResolutionQuery.java:168)
	at org.gradle.api.internal.artifacts.query.DefaultArtifactResolutionQuery.createResult(DefaultArtifactResolutionQuery.java:142)
	at org.gradle.api.internal.artifacts.query.DefaultArtifactResolutionQuery.execute(DefaultArtifactResolutionQuery.java:133)
	at org.gradle.plugins.ide.internal.resolver.IdeDependencySet$IdeDependencyResult.resolveAuxiliaryArtifacts(IdeDependencySet.java:161)
	at org.gradle.plugins.ide.internal.resolver.IdeDependencySet$IdeDependencyResult.visit(IdeDependencySet.java:90)
	at org.gradle.plugins.ide.internal.resolver.IdeDependencySet.visit(IdeDependencySet.java:71)
	at org.gradle.plugins.ide.idea.model.internal.IdeaDependenciesProvider.visitDependencies(IdeaDependenciesProvider.java:105)
	at org.gradle.plugins.ide.idea.model.internal.IdeaDependenciesProvider.getDependencies(IdeaDependenciesProvider.java:90)
	at org.gradle.plugins.ide.idea.model.internal.IdeaDependenciesProvider.provide(IdeaDependenciesProvider.java:66)
	at org.gradle.plugins.ide.idea.model.IdeaModule.resolveDependencies(IdeaModule.java:589)
	at org.gradle.plugins.ide.internal.tooling.IdeaModelBuilder.buildDependencies(IdeaModelBuilder.java:125)
	at org.gradle.plugins.ide.internal.tooling.IdeaModelBuilder.build(IdeaModelBuilder.java:112)
	at org.gradle.plugins.ide.internal.tooling.IdeaModelBuilder.buildAll(IdeaModelBuilder.java:78)
	at org.gradle.plugins.ide.internal.tooling.IdeaModelBuilder.buildAll(IdeaModelBuilder.java:59)
	at org.gradle.tooling.internal.provider.runner.DefaultBuildController.getModel(DefaultBuildController.java:79)
	at org.gradle.tooling.internal.consumer.connection.ParameterAwareBuildControllerAdapter.getModel(ParameterAwareBuildControllerAdapter.java:39)
	at org.gradle.tooling.internal.consumer.connection.UnparameterizedBuildController.getModel(UnparameterizedBuildController.java:113)
	at org.gradle.tooling.internal.consumer.connection.UnparameterizedBuildController.findModel(UnparameterizedBuildController.java:97)
	at org.gradle.tooling.internal.consumer.connection.UnparameterizedBuildController.findModel(UnparameterizedBuildController.java:81)
	at org.jetbrains.plugins.gradle.model.ProjectImportAction$MyBuildController.findModel(ProjectImportAction.java:557)
	at com.android.tools.idea.gradle.project.sync.ModelConverter.populateModuleBuildDirs(ModelConverter.java:36)
	at com.android.tools.idea.gradle.project.sync.AndroidExtraModelProviderWorker.<init>(AndroidExtraModelProviderWorker.kt:55)
	at com.android.tools.idea.gradle.project.sync.AndroidExtraModelProvider.populateBuildModels(AndroidExtraModelProvider.kt:44)
	at org.jetbrains.plugins.gradle.model.ProjectImportAction.addBuildModels(ProjectImportAction.java:334)
	at org.jetbrains.plugins.gradle.model.ProjectImportAction.execute(ProjectImportAction.java:127)
	at org.jetbrains.plugins.gradle.model.ProjectImportAction.execute(ProjectImportAction.java:42)
	at org.gradle.tooling.internal.consumer.connection.InternalBuildActionAdapter.execute(InternalBuildActionAdapter.java:64)
	at org.gradle.tooling.internal.provider.runner.ClientProvidedPhasedActionRunner.runAction(ClientProvidedPhasedActionRunner.java:109)
	at org.gradle.tooling.internal.provider.runner.ClientProvidedPhasedActionRunner.access$000(ClientProvidedPhasedActionRunner.java:41)
	at org.gradle.tooling.internal.provider.runner.ClientProvidedPhasedActionRunner$1.run(ClientProvidedPhasedActionRunner.java:97)
	at org.gradle.tooling.internal.provider.runner.ClientProvidedPhasedActionRunner$1.buildFinished(ClientProvidedPhasedActionRunner.java:91)
	at sun.reflect.GeneratedMethodAccessor53.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:35)
	at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24)
	at org.gradle.internal.event.DefaultListenerManager$ListenerDetails.dispatch(DefaultListenerManager.java:370)
	at org.gradle.internal.event.DefaultListenerManager$ListenerDetails.dispatch(DefaultListenerManager.java:352)
	at org.gradle.internal.event.AbstractBroadcastDispatch.dispatch(AbstractBroadcastDispatch.java:58)
	at org.gradle.internal.event.DefaultListenerManager$EventBroadcast$ListenerDispatch.dispatch(DefaultListenerManager.java:340)
	at org.gradle.internal.event.DefaultListenerManager$EventBroadcast$ListenerDispatch.dispatch(DefaultListenerManager.java:327)
	at org.gradle.internal.event.AbstractBroadcastDispatch.dispatch(AbstractBroadcastDispatch.java:42)
	at org.gradle.internal.event.BroadcastDispatch$SingletonDispatch.dispatch(BroadcastDispatch.java:230)
	at org.gradle.internal.event.BroadcastDispatch$SingletonDispatch.dispatch(BroadcastDispatch.java:149)
	at org.gradle.internal.event.AbstractBroadcastDispatch.dispatch(AbstractBroadcastDispatch.java:58)
	at org.gradle.internal.event.BroadcastDispatch$CompositeDispatch.dispatch(BroadcastDispatch.java:324)
	at org.gradle.internal.event.BroadcastDispatch$CompositeDispatch.dispatch(BroadcastDispatch.java:234)
	at org.gradle.internal.event.ListenerBroadcast.dispatch(ListenerBroadcast.java:140)
	at org.gradle.internal.event.ListenerBroadcast.dispatch(ListenerBroadcast.java:37)
	at org.gradle.internal.dispatch.ProxyDispatchAdapter$DispatchingInvocationHandler.invoke(ProxyDispatchAdapter.java:93)
	at com.sun.proxy.$Proxy16.buildFinished(Unknown Source)
	at org.gradle.initialization.DefaultGradleLauncher.finishBuild(DefaultGradleLauncher.java:162)
	at org.gradle.initialization.DefaultGradleLauncher.finishBuild(DefaultGradleLauncher.java:128)
	at org.gradle.initialization.DefaultGradleLauncher.doBuildStages(DefaultGradleLauncher.java:147)
	at org.gradle.initialization.DefaultGradleLauncher.executeTasks(DefaultGradleLauncher.java:121)
	at org.gradle.internal.invocation.GradleBuildController$1.call(GradleBuildController.java:77)
	at org.gradle.internal.invocation.GradleBuildController$1.call(GradleBuildController.java:74)
	at org.gradle.internal.work.DefaultWorkerLeaseService.withLocks(DefaultWorkerLeaseService.java:152)
	at org.gradle.internal.work.StopShieldingWorkerLeaseService.withLocks(StopShieldingWorkerLeaseService.java:38)
	at org.gradle.internal.invocation.GradleBuildController.doBuild(GradleBuildController.java:96)
	at org.gradle.internal.invocation.GradleBuildController.run(GradleBuildController.java:74)
	at org.gradle.tooling.internal.provider.runner.ClientProvidedPhasedActionRunner.run(ClientProvidedPhasedActionRunner.java:61)
	at org.gradle.launcher.exec.ChainingBuildActionRunner.run(ChainingBuildActionRunner.java:35)
	at org.gradle.launcher.exec.ChainingBuildActionRunner.run(ChainingBuildActionRunner.java:35)
	at org.gradle.tooling.internal.provider.ValidatingBuildActionRunner.run(ValidatingBuildActionRunner.java:32)
	at org.gradle.launcher.exec.RunAsBuildOperationBuildActionRunner$3.run(RunAsBuildOperationBuildActionRunner.java:47)
	at org.gradle.internal.operations.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:300)
	at org.gradle.internal.operations.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:292)
	at org.gradle.internal.operations.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:174)
	at org.gradle.internal.operations.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:90)
	at org.gradle.internal.operations.DelegatingBuildOperationExecutor.run(DelegatingBuildOperationExecutor.java:31)
	at org.gradle.launcher.exec.RunAsBuildOperationBuildActionRunner.run(RunAsBuildOperationBuildActionRunner.java:43)
	at org.gradle.tooling.internal.provider.SubscribableBuildActionRunner.run(SubscribableBuildActionRunner.java:51)
	at org.gradle.launcher.exec.InProcessBuildActionExecuter$1.transform(InProcessBuildActionExecuter.java:50)
	at org.gradle.launcher.exec.InProcessBuildActionExecuter$1.transform(InProcessBuildActionExecuter.java:46)
	at org.gradle.composite.internal.DefaultRootBuildState.run(DefaultRootBuildState.java:74)
	at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:46)
	at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:32)
	at org.gradle.launcher.exec.BuildTreeScopeBuildActionExecuter.execute(BuildTreeScopeBuildActionExecuter.java:39)
	at org.gradle.launcher.exec.BuildTreeScopeBuildActionExecuter.execute(BuildTreeScopeBuildActionExecuter.java:25)
	at org.gradle.tooling.internal.provider.ContinuousBuildActionExecuter.execute(ContinuousBuildActionExecuter.java:80)
	at org.gradle.tooling.internal.provider.ContinuousBuildActionExecuter.execute(ContinuousBuildActionExecuter.java:53)
	at org.gradle.tooling.internal.provider.ServicesSetupBuildActionExecuter.execute(ServicesSetupBuildActionExecuter.java:62)
	at org.gradle.tooling.internal.provider.ServicesSetupBuildActionExecuter.execute(ServicesSetupBuildActionExecuter.java:34)
	at org.gradle.tooling.internal.provider.GradleThreadBuildActionExecuter.execute(GradleThreadBuildActionExecuter.java:36)
	at org.gradle.tooling.internal.provider.GradleThreadBuildActionExecuter.execute(GradleThreadBuildActionExecuter.java:25)
	at org.gradle.tooling.internal.provider.ParallelismConfigurationBuildActionExecuter.execute(ParallelismConfigurationBuildActionExecuter.java:43)
	at org.gradle.tooling.internal.provider.ParallelismConfigurationBuildActionExecuter.execute(ParallelismConfigurationBuildActionExecuter.java:29)
	at org.gradle.tooling.internal.provider.StartParamsValidatingActionExecuter.execute(StartParamsValidatingActionExecuter.java:59)
	at org.gradle.tooling.internal.provider.StartParamsValidatingActionExecuter.execute(StartParamsValidatingActionExecuter.java:31)
	at org.gradle.tooling.internal.provider.SessionFailureReportingActionExecuter.execute(SessionFailureReportingActionExecuter.java:59)
	at org.gradle.tooling.internal.provider.SessionFailureReportingActionExecuter.execute(SessionFailureReportingActionExecuter.java:44)
	at org.gradle.tooling.internal.provider.SetupLoggingActionExecuter.execute(SetupLoggingActionExecuter.java:46)
	at org.gradle.tooling.internal.provider.SetupLoggingActionExecuter.execute(SetupLoggingActionExecuter.java:30)
	at org.gradle.launcher.daemon.server.exec.ExecuteBuild.doBuild(ExecuteBuild.java:67)
	at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:36)
	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:122)
	at org.gradle.launcher.daemon.server.exec.WatchForDisconnection.execute(WatchForDisconnection.java:37)
	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:122)
	at org.gradle.launcher.daemon.server.exec.ResetDeprecationLogger.execute(ResetDeprecationLogger.java:26)
	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:122)
	at org.gradle.launcher.daemon.server.exec.RequestStopIfSingleUsedDaemon.execute(RequestStopIfSingleUsedDaemon.java:34)
	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:122)
	at org.gradle.launcher.daemon.server.exec.ForwardClientInput$2.call(ForwardClientInput.java:74)
	at org.gradle.launcher.daemon.server.exec.ForwardClientInput$2.call(ForwardClientInput.java:72)
	at org.gradle.util.Swapper.swap(Swapper.java:38)
	at org.gradle.launcher.daemon.server.exec.ForwardClientInput.execute(ForwardClientInput.java:72)
	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:122)
	at org.gradle.launcher.daemon.server.exec.LogAndCheckHealth.execute(LogAndCheckHealth.java:55)
	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:122)
	at org.gradle.launcher.daemon.server.exec.LogToClient.doBuild(LogToClient.java:62)
	at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:36)
	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:122)
	at org.gradle.launcher.daemon.server.exec.EstablishBuildEnvironment.doBuild(EstablishBuildEnvironment.java:82)
	at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:36)
	at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:122)
	at org.gradle.launcher.daemon.server.exec.StartBuildOrRespondWithBusy$1.run(StartBuildOrRespondWithBusy.java:50)
	at org.gradle.launcher.daemon.server.DaemonStateCoordinator$1.run(DaemonStateCoordinator.java:295)
	at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:63)
	at org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:46)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at org.gradle.internal.concurrent.ThreadFactoryImpl$ManagedThreadRunnable.run(ThreadFactoryImpl.java:55)
	at java.lang.Thread.run(Thread.java:826)


This may be unrelated to it crashing but I fingered it might be worth putting here incase its useful.

What I have tried:

I tried the solutions at https://stackoverflow.com/questions/68377027/minecraft-forge-mod-loader-fml-loading-and-crashing-mc, but they did not help. I tried different open jdks, which still didn't work. I've deleted and redownloaded the forge mdk still did not work. I heard that different versions might work, but I want to keep 1.12.2. The weird thing is that it was working fine on my other computer which was not a struggle to get it working however I can't use it at the moment.

If there is something wrong with my question please tell me and I can try to fix it.
Posted
Updated 14-Jul-23 1:25am
v2
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Dave Kreskowiak 13-Jul-23 10:40am    
You're going to have to ask the people you got it from. This has far less to do with Java and far more to do with Forge.
G Schulz 13-Jul-23 10:52am    
This is the default mod, the mdk from https://files.minecraftforge.net/net/minecraftforge/forge/index_1.12.2.html and I don't think it has to do with the contents of the mod sense it is the defult one thats empty.
Dave Kreskowiak 13-Jul-23 10:58am    
You are STILL going to have to ask the people you got it from or who are in the community, which you will not find here on CP.

2 solutions

The answer lies in the second part error you posted. You are using an outdated version (v1.20 seems to be the newest) which is incompatible with Gradle 5.0 (version you are using). When you load the mod (the default one in v1.12.2) it will crash as your version of Gradle cannot load it.

Solution, upgrade to the newest mod version - recommended, or downgrade Gradle to allow loading of v1.12.2 - not recommended.
 
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Posted
This isn't a software development problem we can help with - you need to talk to the author of the mod as only they will have any idea what it does or how it does it.

Sorry, but we can't help you with this.
 
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Posted
Comments
G Schulz 13-Jul-23 10:48am    
This is the default forge mod, the one at https://files.minecraftforge.net/net/minecraftforge/forge/index_1.12.2.html. It is the one for coding your own mod.
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