Singleplayer game sometimes crashing, sometimes working, need a little assistance.

Posted August 3Aug 3

Working on a little single-player pack for myself, the game works sometimes then others just crashes. I'm not a programmer but I can usually muddle through but I'm stumped. I uninstall stuff but that doesn't work, then reinstall and it does work the first time but when I load up again it crashes. I'm at a loss.

Crash Log:

---- Minecraft Crash Report ----
// Embeddium instance tainted by mods: [oculus]
// Please do not reach out for Embeddium support without removing these mods first.
// -------
// Daisy, daisy...

Time: 2025-08-02 19:14:25
Description: Mod loading error has occurred

java.lang.Exception: Mod Loading has failed
at net.minecraftforge.logging.CrashReportExtender.dumpModLoadingCrashReport(CrashReportExtender.java:60) ~[forge-1.20.1-47.4.0-universal.jar%23373!/:?] {re:mixin,re:classloading,pl:mixin:APP:embeddium.mixins.json:core.CrashReportExtenderMixin,pl:mixin:A}
at net.minecraftforge.client.loading.ClientModLoader.completeModLoading(ClientModLoader.java:135) ~[forge-1.20.1-47.4.0-universal.jar%23373!/:?] {re:classloading}
at net.minecraft.client.Minecraft.lambda$new$4(Minecraft.java:571) ~[client-1.20.1-20230612.114412-srg.jar%23368!/:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.Util.m_137521_(Util.java:421) ~[client-1.20.1-20230612.114412-srg.jar%23368!/:?] {re:mixin,re:classloading,pl:mixin:APP:bettermineshafts.mixins.json:SuppressLogMixin,pl:mixin:A}
at net.minecraft.client.Minecraft.lambda$new$5(Minecraft.java:564) ~[client-1.20.1-20230612.114412-srg.jar%23368!/:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraftforge.client.loading.ForgeLoadingOverlay.m_88315_(ForgeLoadingOverlay.java:146) ~[forge-1.20.1-47.4.0-universal.jar%23373!/:?] {re:classloading}
at net.minecraft.client.renderer.GameRenderer.m_109093_(GameRenderer.java:954) ~[client-1.20.1-20230612.114412-srg.jar%23368!/:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.client.Minecraft.m_91383_(Minecraft.java:1146) ~[client-1.20.1-20230612.114412-srg.jar%23368!/:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.client.Minecraft.m_91374_(Minecraft.java:718) ~[client-1.20.1-20230612.114412-srg.jar%23368!/:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.client.main.Main.main(Main.java:218) ~[forge-47.4.0.jar:?] {re:classloading,pl:runtimedistcleaner:A}
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?] {}
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?] {}
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?] {}
at java.lang.reflect.Method.invoke(Method.java:569) ~[?:?] {}
at net.minecraftforge.fml.loading.targets.CommonLaunchHandler.runTarget(CommonLaunchHandler.java:111) ~[fmlloader-1.20.1-47.4.0.jar:?] {}
at net.minecraftforge.fml.loading.targets.CommonLaunchHandler.clientService(CommonLaunchHandler.java:99) ~[fmlloader-1.20.1-47.4.0.jar:?] {}
at net.minecraftforge.fml.loading.targets.CommonClientLaunchHandler.lambda$makeService$0(CommonClientLaunchHandler.java:25) ~[fmlloader-1.20.1-47.4.0.jar:?] {}
at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:30) ~[modlauncher-10.0.9.jar:?] {}
at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:53) ~[modlauncher-10.0.9.jar:?] {}
at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:71) ~[modlauncher-10.0.9.jar:?] {}
at cpw.mods.modlauncher.Launcher.run(Launcher.java:108) ~[modlauncher-10.0.9.jar:?] {}
at cpw.mods.modlauncher.Launcher.main(Launcher.java:78) ~[modlauncher-10.0.9.jar:?] {}
at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:26) ~[modlauncher-10.0.9.jar:?] {}
at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:23) ~[modlauncher-10.0.9.jar:?] {}
at cpw.mods.bootstraplauncher.BootstrapLauncher.main(BootstrapLauncher.java:141) ~[bootstraplauncher-1.1.2.jar:?] {}

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

-- Head --
Thread: Render thread
Suspected Mod:
Patchouli (patchouli), Version: 1.20.1-84.1-FORGE
Issue tracker URL: https://github.com/VazkiiMods/Patchouli
at TRANSFORMER/[email protected]/vazkii.patchouli.xplat.IXplatAbstractions.find(IXplatAbstractions.java:51)
Stacktrace:
at vazkii.patchouli.xplat.IXplatAbstractions.find(IXplatAbstractions.java:51) ~[Patchouli-1.20.1-84.1-FORGE.jar%23331!/:1.20.1-84.1-FORGE] {re:classloading}
-- MOD patchouli --
Details:
Caused by 0: java.lang.ExceptionInInitializerError
at vazkii.patchouli.common.book.BookRegistry.init(BookRegistry.java:42) ~[Patchouli-1.20.1-84.1-FORGE.jar%23331!/:1.20.1-84.1-FORGE] {re:mixin,re:classloading}
at vazkii.patchouli.forge.common.ForgeModInitializer.onInitialize(ForgeModInitializer.java:76) ~[Patchouli-1.20.1-84.1-FORGE.jar%23331!/:1.20.1-84.1-FORGE] {re:classloading}
at vazkii.patchouli.forge.common.__ForgeModInitializer_onInitialize_FMLCommonSetupEvent.invoke(.dynamic) ~[Patchouli-1.20.1-84.1-FORGE.jar%23331!/:1.20.1-84.1-FORGE] {re:classloading,pl:eventbus:B}
at net.minecraftforge.eventbus.ASMEventHandler.invoke(ASMEventHandler.java:73) ~[eventbus-6.0.5.jar%2387!/:?] {}
at net.minecraftforge.eventbus.EventBus.post(EventBus.java:315) ~[eventbus-6.0.5.jar%2387!/:?] {}
at net.minecraftforge.eventbus.EventBus.post(EventBus.java:296) ~[eventbus-6.0.5.jar%2387!/:?] {}
at net.minecraftforge.fml.javafmlmod.FMLModContainer.acceptEvent(FMLModContainer.java:121) ~[javafmllanguage-1.20.1-47.4.0.jar%23370!/:?] {}
at net.minecraftforge.fml.ModContainer.lambda$buildTransitionHandler$5(ModContainer.java:127) ~[fmlcore-1.20.1-47.4.0.jar%23369!/:?] {}
at java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1804) ~[?:?] {}
at java.util.concurrent.CompletableFuture$AsyncRun.exec(CompletableFuture.java:1796) ~[?:?] {}
at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:373) ~[?:?] {}
at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1182) ~[?:?] {}
at java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1655) ~[?:?] {re:computing_frames}
at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1622) ~[?:?] {re:computing_frames}
at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:165) ~[?:?] {}

Mod File: /C:/Users/artes/curseforge/minecraft/Instances/Crerace/mods/Patchouli-1.20.1-84.1-FORGE.jar
Failure message: Patchouli (patchouli) encountered an error during the common_setup event phase
java.lang.ExceptionInInitializerError: null
Mod Version: 1.20.1-84.1-FORGE
Mod Issue URL: https://github.com/VazkiiMods/Patchouli
Exception message: java.lang.IllegalStateException: There should be exactly one IXplatAbstractions implementation on the classpath. Found: []
Stacktrace:
at vazkii.patchouli.xplat.IXplatAbstractions.find(IXplatAbstractions.java:51) ~[Patchouli-1.20.1-84.1-FORGE.jar%23331!/:1.20.1-84.1-FORGE] {re:classloading}
at vazkii.patchouli.xplat.IXplatAbstractions.<clinit>(IXplatAbstractions.java:45) ~[Patchouli-1.20.1-84.1-FORGE.jar%23331!/:1.20.1-84.1-FORGE] {re:classloading}
at vazkii.patchouli.common.book.BookRegistry.init(BookRegistry.java:42) ~[Patchouli-1.20.1-84.1-FORGE.jar%23331!/:1.20.1-84.1-FORGE] {re:mixin,re:classloading}
at vazkii.patchouli.forge.common.ForgeModInitializer.onInitialize(ForgeModInitializer.java:76) ~[Patchouli-1.20.1-84.1-FORGE.jar%23331!/:1.20.1-84.1-FORGE] {re:classloading}
at vazkii.patchouli.forge.common.__ForgeModInitializer_onInitialize_FMLCommonSetupEvent.invoke(.dynamic) ~[Patchouli-1.20.1-84.1-FORGE.jar%23331!/:1.20.1-84.1-FORGE] {re:classloading,pl:eventbus:B}
at net.minecraftforge.eventbus.ASMEventHandler.invoke(ASMEventHandler.java:73) ~[eventbus-6.0.5.jar%2387!/:?] {}
at net.minecraftforge.eventbus.EventBus.post(EventBus.java:315) ~[eventbus-6.0.5.jar%2387!/:?] {}
at net.minecraftforge.eventbus.EventBus.post(EventBus.java:296) ~[eventbus-6.0.5.jar%2387!/:?] {}
at net.minecraftforge.fml.javafmlmod.FMLModContainer.acceptEvent(FMLModContainer.java:121) ~[javafmllanguage-1.20.1-47.4.0.jar%23370!/:?] {}
at net.minecraftforge.fml.ModContainer.lambda$buildTransitionHandler$5(ModContainer.java:127) ~[fmlcore-1.20.1-47.4.0.jar%23369!/:?] {}
at java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1804) ~[?:?] {}
at java.util.concurrent.CompletableFuture$AsyncRun.exec(CompletableFuture.java:1796) ~[?:?] {}
at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:373) ~[?:?] {}
at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1182) ~[?:?] {}
at java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1655) ~[?:?] {re:computing_frames}
at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1622) ~[?:?] {re:computing_frames}
at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:165) ~[?:?] {}

Quote

August 3Aug 3

Add crash-reports with sites like https://mclo.gs/

Replace Patchouli with this build:

https://www.curseforge.com/minecraft/mc-mods/patchouli/files/4966125

Try my Modpack

>>Link to Curseforge<<

Author

I did and it's still erratically crashing.

EDIT: I decided to redo the entire pack and used the Patchouli version above as my starting point and it seems to have fixed the issue. Thanks so much for your attention!

Edited August 3Aug 3 by silveraquila
found a workaround

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