Version of Forge: 1.20.1-47.1.70 (see NeoForge)
Logs related to NoCubes or kubej...:
[13:15:59.764] [main/INFO] [loading.moddiscovery.ModDiscoverer/SCAN]: Found mod file "NoCubes-1.20.1-0.5.0-dev-b81a6c5.jar" of type MOD with provider {mods folder locator at C:\Users\Admin\AppData\Roaming.minecraft\mods}
...
[13:16:01.592] [main/ERROR] [mixin/]: Mixin config mixins.nocubes.json does not specify "minVersion" property
...
[13:16:01.712] [main/WARN] [RubidiumConfig/]: Mod 'nocubes' attempted to override option 'features.chunk_rendering', which doesn't exist, ignoring
...
NoCubes Transformer] [ChunkRender#rebuildChunk]: Starting Transform
[NoCubes Transformer] [ChunkRender#rebuildChunk]: Did not detect OptiFine
[NoCubes Transformer] [ChunkRender#rebuildChunk]: Found first label before index 75: org.objectweb.asm.tree.LabelNode@36330be8
[NoCubes Transformer] [ChunkRender#rebuildChunk]: Done injecting the preIteration hook
[NoCubes Transformer] [ChunkRender#rebuildChunk]: Found first label before index 149: org.objectweb.asm.tree.LabelNode@2211e731
[NoCubes Transformer] [ChunkRender#rebuildChunk]: Done injecting the fluid state getter redirect
[NoCubes Transformer] [ChunkRender#rebuildChunk]: Finished Transform
[13:16:02.603] [main/WARN] [mixin/]: Error loading class: dev/latvian/mods/kubejs/recipe/RecipesEventJS (java.lang.ClassNotFoundException: dev.latvian.mods.kubejs.recipe.RecipesEventJS)
[13:16:02.603] [main/WARN] [mixin/]: @mixin target dev.latvian.mods.kubejs.recipe.RecipesEventJS was not found mixins.hammerlib.json:bs.kubejs.RecipeEventJSMixin
[
...
[13:16:09] [modloading-worker-0/FATAL] [mixin/]: Mixin apply failed mixins.nocubes.json:LevelRendererMixin -> net.minecraft.client.renderer.LevelRenderer: org.spongepowered.asm.mixin.injection.throwables.InvalidInjectionException @at("CONSTANT") on net/minecraft/client/renderer/LevelRenderer::nocubes_setBlocksDirty with priority 1000 cannot inject into net/minecraft/client/renderer/LevelRenderer::m_109494_(IIIIII)V merged by me.jellysquid.mods.sodium.mixin.features.chunk_rendering.MixinWorldRenderer with priority 1000 [PREINJECT Applicator Phase -> mixins.nocubes.json:LevelRendererMixin -> Prepare Injections -> -> constant$bcl000$nocubes_setBlocksDirty(I)I -> Prepare]
org.spongepowered.asm.mixin.injection.throwables.InvalidInjectionException: @at("CONSTANT") on net/minecraft/client/renderer/LevelRenderer::nocubes_setBlocksDirty with priority 1000 cannot inject into net/minecraft/client/renderer/LevelRenderer::m_109494_(IIIIII)V merged by me.jellysquid.mods.sodium.mixin.features.chunk_rendering.MixinWorldRenderer with priority 1000 [PREINJECT Applicator Phase -> mixins.nocubes.json:LevelRendererMixin -> Prepare Injections -> -> constant$bcl000$nocubes_setBlocksDirty(I)I -> Prepare]
at org.spongepowered.asm.mixin.injection.code.Injector.findTargetNodes(Injector.java:305) ~[mixin-0.8.5.jar:0.8.5+Jenkins-b310.git-155314e6e91465dad727e621a569906a410cd6f4] {}
at org.spongepowered.asm.mixin.injection.code.Injector.find(Injector.java:240) ~[mixin-0.8.5.jar:0.8.5+Jenkins-b310.git-155314e6e91465dad727e621a569906a410cd6f4] {}
at org.spongepowered.asm.mixin.injection.struct.InjectionInfo.prepare(InjectionInfo.java:421) ~[mixin-0.8.5.jar:0.8.5+Jenkins-b310.git-155314e6e91465dad727e621a569906a410cd6f4] {}
at org.spongepowered.asm.mixin.transformer.MixinTargetContext.prepareInjections(MixinTargetContext.java:1319) ~[mixin-0.8.5.jar:0.8.5+Jenkins-b310.git-155314e6e91465dad727e621a569906a410cd6f4] {}
at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.prepareInjections(MixinApplicatorStandard.java:1042) ~[mixin-0.8.5.jar:0.8.5+Jenkins-b310.git-155314e6e91465dad727e621a569906a410cd6f4] {}
at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.applyMixin(MixinApplicatorStandard.java:393) ~[mixin-0.8.5.jar:0.8.5+Jenkins-b310.git-155314e6e91465dad727e621a569906a410cd6f4] {}
at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.apply(MixinApplicatorStandard.java:325) ~[mixin-0.8.5.jar:0.8.5+Jenkins-b310.git-155314e6e91465dad727e621a569906a410cd6f4] {}
at org.spongepowered.asm.mixin.transformer.TargetClassContext.apply(TargetClassContext.java:383) ~[mixin-0.8.5.jar:0.8.5+Jenkins-b310.git-155314e6e91465dad727e621a569906a410cd6f4] {}
at org.spongepowered.asm.mixin.transformer.TargetClassContext.applyMixins(TargetClassContext.java:365) ~[mixin-0.8.5.jar:0.8.5+Jenkins-b310.git-155314e6e91465dad727e621a569906a410cd6f4] {}
at org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:363) ~[mixin-0.8.5.jar:0.8.5+Jenkins-b310.git-155314e6e91465dad727e621a569906a410cd6f4] {}
at org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClass(MixinTransformer.java:250) ~[mixin-0.8.5.jar:0.8.5+Jenkins-b310.git-155314e6e91465dad727e621a569906a410cd6f4] {}
at org.spongepowered.asm.service.modlauncher.MixinTransformationHandler.processClass(MixinTransformationHandler.java:131) ~[mixin-0.8.5.jar:0.8.5+Jenkins-b310.git-155314e6e91465dad727e621a569906a410cd6f4] {}
at org.spongepowered.asm.launch.MixinLaunchPluginLegacy.processClass(MixinLaunchPluginLegacy.java:131) ~[mixin-0.8.5.jar:0.8.5+Jenkins-b310.git-155314e6e91465dad727e621a569906a410cd6f4] {}
at cpw.mods.modlauncher.serviceapi.ILaunchPluginService.processClassWithFlags(ILaunchPluginService.java:156) ~[modlauncher-10.0.9.jar:10.0.9+10.0.9+main.dcd20f30] {}
at cpw.mods.modlauncher.LaunchPluginHandler.offerClassNodeToPlugins(LaunchPluginHandler.java:88) ~[modlauncher-10.0.9.jar:?] {}
at cpw.mods.modlauncher.ClassTransformer.transform(ClassTransformer.java:120) ~[modlauncher-10.0.9.jar:?] {}
at cpw.mods.modlauncher.TransformingClassLoader.maybeTransformClassBytes(TransformingClassLoader.java:50) ~[modlauncher-10.0.9.jar:?] {}
at cpw.mods.cl.ModuleClassLoader.readerToClass(ModuleClassLoader.java:113) ~[securejarhandler-2.1.10.jar:?] {}
at cpw.mods.cl.ModuleClassLoader.lambda$findClass$15(ModuleClassLoader.java:219) ~[securejarhandler-2.1.10.jar:?] {}
at cpw.mods.cl.ModuleClassLoader.loadFromModule(ModuleClassLoader.java:229) ~[securejarhandler-2.1.10.jar:?] {}
at cpw.mods.cl.ModuleClassLoader.findClass(ModuleClassLoader.java:219) ~[securejarhandler-2.1.10.jar:?] {}
at cpw.mods.cl.ModuleClassLoader.loadClass(ModuleClassLoader.java:135) ~[securejarhandler-2.1.10.jar:?] {}
at java.lang.ClassLoader.loadClass(ClassLoader.java:520) ~[?:?] {}
at java.lang.Class.getDeclaredConstructors0(Native Method) ~[?:?] {re:mixin}
at java.lang.Class.privateGetDeclaredConstructors(Class.java:3373) ~[?:?] {re:mixin}
at java.lang.Class.getConstructor0(Class.java:3578) ~[?:?] {re:mixin}
at java.lang.Class.getConstructor(Class.java:2271) ~[?:?] {re:mixin}
at net.minecraftforge.eventbus.api.EventListenerHelper.computeListenerList(EventListenerHelper.java:75) ~[eventbus-6.0.5.jar%2389!/:?] {}
at net.minecraftforge.eventbus.api.EventListenerHelper.lambda$getListenerListInternal$0(EventListenerHelper.java:56) ~[eventbus-6.0.5.jar%2389!/:?] {}
at net.minecraftforge.eventbus.LockHelper.computeIfAbsent(LockHelper.java:61) ~[eventbus-6.0.5.jar%2389!/:?] {}
at net.minecraftforge.eventbus.LockHelper.get(LockHelper.java:44) ~[eventbus-6.0.5.jar%2389!/:?] {}
at net.minecraftforge.eventbus.LockHelper.computeIfAbsent(LockHelper.java:39) ~[eventbus-6.0.5.jar%2389!/:?] {}
at net.minecraftforge.eventbus.api.EventListenerHelper.getListenerListInternal(EventListenerHelper.java:56) ~[eventbus-6.0.5.jar%2389!/:?] {}
at net.minecraftforge.eventbus.api.EventListenerHelper.getListenerList(EventListenerHelper.java:50) ~[eventbus-6.0.5.jar%2389!/:?] {}
at net.minecraftforge.eventbus.EventBus.addToListeners(EventBus.java:276) ~[eventbus-6.0.5.jar%2389!/:?] {}
at net.minecraftforge.eventbus.EventBus.register(EventBus.java:269) ~[eventbus-6.0.5.jar%2389!/:?] {}
at net.minecraftforge.eventbus.EventBus.registerListener(EventBus.java:163) ~[eventbus-6.0.5.jar%2389!/:?] {}
at net.minecraftforge.eventbus.EventBus.lambda$registerObject$6(EventBus.java:106) ~[eventbus-6.0.5.jar%2389!/:?] {}
at java.util.Optional.ifPresent(Optional.java:178) ~[?:?] {re:mixin}
at net.minecraftforge.eventbus.EventBus.lambda$registerObject$7(EventBus.java:106) ~[eventbus-6.0.5.jar%2389!/:?] {}
at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) ~[?:?] {}
at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179) ~[?:?] {}
at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:992) ~[?:?] {}
at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) ~[?:?] {}
at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) ~[?:?] {}
at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) ~[?:?] {}
at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) ~[?:?] {}
at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[?:?] {}
at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596) ~[?:?] {}
at net.minecraftforge.eventbus.EventBus.registerObject(EventBus.java:102) ~[eventbus-6.0.5.jar%2389!/:?] {}
at net.minecraftforge.eventbus.EventBus.register(EventBus.java:128) ~[eventbus-6.0.5.jar%2389!/:?] {}
at com.github.alexthe666.citadel.Citadel.(Citadel.java:116) ~[citadel-2.4.3-1.20.1.jar%23265!/:2.4.3-1.20.1] {re:mixin,re:classloading}
at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:?] {}
at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77) ~[?:?] {}
at jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:?] {}
at java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) ~[?:?] {}
at java.lang.reflect.Constructor.newInstance(Constructor.java:480) ~[?:?] {}
at net.minecraftforge.fml.javafmlmod.FMLModContainer.constructMod(FMLModContainer.java:68) ~[language-java-47.1.47.jar%23336!/:47.1] {}
at net.minecraftforge.fml.ModContainer.lambda$buildTransitionHandler$10(ModContainer.java:123) ~[core-47.1.47.jar%23335!/:47.1] {}
at java.util.concurrent.CompletableFuture$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) ~[?:?] {}

Remove Rubidium. I will talk to the Rubidum devs to understand why it is crashing.