help me 

Spoiler

---- Minecraft Crash Report ----

WARNING: coremods are present:
  WolfArmorCore (WolfArmorAndStorage-1.12.2-3.8.0-universal-signed.jar)
  TenshiCore (TenshiLib-1.12.2-1.2.4.jar)
  CubicChunksCoreMod (CubicChunks-1.12.2-0.0.1208.0-SNAPSHOT-all.jar)
  LogisticsPipesCoreLoader (logisticspipes-0.10.3.114.jar)
  CXLibraryCore (cxlibrary-1.12.1-1.6.1.jar)
  AppleCore (AppleCore-mc1.12.2-3.4.0.jar)
  iceandfire (iceandfire-1.9.1-1.12.2.jar)
  UniDictCoreMod (UniDict-1.12.2-3.0.10.jar)
  EnderCorePlugin (EnderCore-1.12.2-0.5.76-core.jar)
  SuperMartijn642's Core Lib Plugin (supermartijn642corelib-1.1.10-forge-mc1.12.jar)
  BringMeTheRings plugin (BringMeTheRings-0.4.jar)
  GITDLoadingPlugin (getittogetherdrops-1.12.2-v1.0.2.jar)
  SpartanWeaponry-MixinLoader (SpartanWeaponry-1.12.2-1.5.3.jar)
  Techguns Core (techguns-1.12.2-2.0.2.0_pre3.2.jar)
  LoadingPlugin (RandomThings-MC1.12.2-4.2.7.4.jar)
  RandomPatches (randompatches-1.12.2-1.22.1.10.jar)
  SoManyEnchantments ASM (SoManyEnchantments-0.5.5.jar)
  JeiUtilitiesLoadingPlugin (JEI-Utilities-1.12.2-0.2.11.jar)
  LucraftCoreExtendedID (LucraftCoreIDExtender.jar)
  ApotheosisCore (Apotheosis-1.12.2-1.12.5.jar)
  SecurityCraftLoadingPlugin ([1.12.2] SecurityCraft v1.9.7.jar)
  llibrary (llibrary-core-1.0.11-1.12.2.jar)
  ShetiPhian-ASM (ShetiPhian-ASM-1.12.0.jar)
  CorePlugin (ForgeEndertech-1.12.2-4.5.6.1-build.0648.jar)
  SecretRoomsMod-Core (secretroomsmod-1.12.2-5.6.4.jar)
  TARCore (ThaumicAdditions-1.12.2-12.7.8.jar)
  SteveKunGLibPlugin (SteveKunG's-Lib-mc1.12.2-v1.3.0.jar)
  FMCore (fancymenu_forge_2.14.7_MC_1.12-1.12.2.jar)
  MixinLoader (ItemBorders-1.12.2-forge-1.2.0.jar)
  ParticleCullingLoadingPlugin (particleculling-1.12.2-v1.4.1.jar)
  MekanismCoremod (Mekanism-1.12.2-9.8.3.390.jar)
  Quark Plugin (Quark-r1.6-179.jar)
  ObfuscatePlugin (obfuscate-0.4.2-1.12.2.jar)
  MixinBooter (!mixinbooter-8.3.jar)
  Inventory Tweaks Coremod (InventoryTweaks-1.63.jar)
  TconEvoCoreMod (tconevo-1.12.2-1.0.44.jar)
  LevelUpCore (levelup2-1.5.8.jar)
  LoadingPlugin (ResourceLoader-MC1.12.1-1.5.3.jar)
  pymtech (PymTech-1.12.2-1.0.2.jar)
  IvToolkit (IvToolkit-1.3.3-1.12.jar)
  Thaumcraft Research Patcher Core Plugin (ThaumcraftResearchPatcher-1.12.2-1.1.3.jar)
  Botania Tweaks Core (botaniatweaks-1.9.1.jar)
  KonkreteCore (konkrete_forge_1.6.1_MC_1.12-1.12.2.jar)
  OpenModsCorePlugin (OpenModsLib-1.12.2-0.12.2.jar)
  Backpacked (backpacked-1.4.3-1.12.2.jar)
  Fusion Plugin (fusion-1.0.1-forge-mc1.12.jar)
  CTMCorePlugin (CTM-MC1.12.2-1.0.2.31.jar)
  LucraftCoreCoreMod (LucraftCore-1.12.2-2.4.17.jar)
  RandomPatches Integration (rpintegration-1.12.2-1.5.1.0.jar)
  JustEnoughIDs Extension Plugin (JustEnoughIDs-1.0.4-SNAPSHOT-thin.jar)
  MekanismTweaks (mekanismtweaks-1.1.jar)
  HCASM (HammerLib-1.12.2-2.0.6.32.jar)
  weaponlib (mw_2.0-0.4.6.2_mc1.12.2.jar)
  MicdoodlePlugin (Galacticraft-1.12.2-4.0.5.jar)
  TransformerLoader (OpenComputers-MC1.12.2-1.8.2+b4abbf9.jar)
Contact their authors BEFORE contacting forge

// Shall we play a game?

Time: 6/23/23 8:33 PM
Description: Initializing game

java.lang.NoClassDefFoundError: net/minecraft/world/Teleporter
    at net.mcreator.moretool.world.WorldAdvancedVanillaWorld.lambda$initElements$0(WorldAdvancedVanillaWorld.java:90)
    at net.mcreator.moretool.world.WorldAdvancedVanillaWorld$$Lambda$7088/1186365538.get(Unknown Source)
    at net.mcreator.moretool.MoretoolMod$$Lambda$42282/1316695814.apply(Unknown Source)
    at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
    at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1374)
    at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:512)
    at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:502)
    at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:576)
    at java.util.stream.AbstractPipeline.evaluateToArrayNode(AbstractPipeline.java:255)
    at java.util.stream.ReferencePipeline.toArray(ReferencePipeline.java:438)
    at net.mcreator.moretool.MoretoolMod.registerBlocks(MoretoolMod.java:86)
    at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_5217_MoretoolMod_registerBlocks_Register.invoke(.dynamic)
    at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90)
    at net.minecraftforge.fml.common.eventhandler.EventBus$1.invoke(EventBus.java:144)
    at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:182)
    at net.minecraftforge.registries.GameData.redirect$zle000$supermartijn642corelib_1_1_10_forge_mc1_12$fireRegistryEventsRedirectPost(GameData.java:1515)
    at net.minecraftforge.registries.GameData.fireRegistryEvents(GameData.java:845)
    at net.minecraftforge.fml.common.Loader.preinitializeMods(Loader.java:630)
    at net.minecraftforge.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:252)
    at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:467)
    at net.minecraft.client.Minecraft.func_99999_d(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:497)
    at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
    at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
Caused by: java.lang.ClassNotFoundException: net.minecraft.world.Teleporter
    at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:101)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    ... 28 more

 

Edited June 24, 20232 yr by steveman1555

everytime i load my modpack it says java.lang.NoClassDefFoundError: net/minecraft/world/Teleporter
    at net.mcreator.moretool.world.WorldAdvancedVanillaWorld.lambda$initElements$0(WorldAdvancedVanillaWorld.java:90)
    at net.mcreator.moretool.world.WorldAdvancedVanillaWorld$$Lambda$7088/1186365538.get(Unknown Source)
    at net.mcreator.moretool.MoretoolMod$$Lambda$42282/1316695814.apply(Unknown Source)
    at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
    at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1374)
    at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:512)
    at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:502)
    at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:576)
    at java.util.stream.AbstractPipeline.evaluateToArrayNode(AbstractPipeline.java:255)
    at java.util.stream.ReferencePipeline.toArray(ReferencePipeline.java:438)
    at net.mcreator.moretool.MoretoolMod.registerBlocks(MoretoolMod.java:86)
    at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_5217_MoretoolMod_registerBlocks_Register.invoke(.dynamic)
    at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90)
    at net.minecraftforge.fml.common.eventhandler.EventBus$1.invoke(EventBus.java:144)
    at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:182)
    at net.minecraftforge.registries.GameData.redirect$zle000$supermartijn642corelib_1_1_10_forge_mc1_12$fireRegistryEventsRedirectPost(GameData.java:1515)
    at net.minecraftforge.registries.GameData.fireRegistryEvents(GameData.java:845)
    at net.minecraftforge.fml.common.Loader.preinitializeMods(Loader.java:630)
    at net.minecraftforge.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:252)
    at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:467)
    at net.minecraft.client.Minecraft.func_99999_d(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:497)
    at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
    at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
Caused by: java.lang.ClassNotFoundException: net.minecraft.world.Teleporter
    at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:101)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    ... 28 more