Minecraft Forums

Hello,ive tried making a modpack of my own that has 156 mods and everything seemed to be working until i got a crushed image (the one provided) and so i did research and ive updated my java and forge even tried taking some mods that could be the issue out even optifine but nothing has worked and i looked at the crash report and have no clue how to read it and see the issue so please help.

Crash report-

---- Minecraft Crash Report ----
// You're mean.

Time: 2020-08-11 01:47:31 EDT
Description: Initializing game

java.lang.IllegalAccessError: tried to access class org.spongepowered.asm.mixin.transformer.MixinTransformer from class net.minecraftforge.fml.common.Loader
at net.minecraftforge.fml.common.Loader.handler$zza000$beforeConstructingMods(Loader.java:1131)
at net.minecraftforge.fml.common.Loader.loadMods(Loader.java:594)
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:3931)
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)

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

-- System Details --
Minecraft Version: 1.12.2
Operating System: Windows 10 (amd64) version 10.0
Java Version: 1.8.0_51, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 459658120 bytes (438 MB) / 1073741824 bytes (1024 MB) up to 5368709120 bytes (5120 MB)
JVM Flags: 8 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx5G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
FML: MCP 9.42 Powered by Forge 14.23.5.2854 Optifine OptiFine_1.12.2_HD_U_F5 159 mods loaded, 159 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 |
|:----- |:-------------------------------------------- |:------------------------ |:---------------------------------------------------- |:---------------------------------------- |
| L | minecraft | 1.12.2 | minecraft.jar | None |
| L | mcp | 9.42 | minecraft.jar | None |
| L | FML | 8.0.99.99 | forge-1.12.2-14.23.5.2854.jar | e3c3d50c7c986df74c645c0ac54639741c90a557 |
| L | forge | 14.23.5.2854 | forge-1.12.2-14.23.5.2854.jar | e3c3d50c7c986df74c645c0ac54639741c90a557 |
| L | ivtoolkit | 1.3.3-1.12 | minecraft.jar | None |
| L | micdoodlecore | | minecraft.jar | None |
| L | com.elytradev.movingworld.common.asm.coremod | | minecraft.jar | None |
| L | obfuscate | 0.2.6 | minecraft.jar | None |
| L | srm-hooks | 1.12.2-1.0.0 | minecraft.jar | None |
| L | dsurroundcore | 3.5.4.3 | minecraft.jar | None |
| L | techguns_core | 1.12.2-1.0 | minecraft.jar | None |
| L | securitycraft | v1.8.19.3 | [1.12.2]+SecurityCraft+v1.8.19.3.jar | None |
| L | appliedenergistics2 | rv6-stable-7 | appliedenergistics2-rv6-stable-7.jar | None |
| L | endercore | 1.12.2-0.5.76 | EnderCore-1.12.2-0.5.76 (1).jar | None |
| L | jei | 4.15.0.293 | jei_1.12.2-4.15.0.293.jar | None |
| L | redstoneflux | 2.1.1 | RedstoneFlux-1.12-2.1.1.1-universal.jar | None |
| L | cofhcore | 4.6.3 | CoFHCore-1.12.2-4.6.3.27-universal.jar | None |
| L | cofhworld | 1.4.0 | CoFHWorld-1.12.2-1.4.0.1-universal.jar | None |
| L | thermalfoundation | 2.6.7 | ThermalFoundation-1.12.2-2.6.7.1-universal.jar | None |
| L | enderio | 5.2.59 | EnderIO-1.12.2-5.2.59.jar | None |
| L | mantle | 1.12-1.3.3.55 | Mantle-1.12-1.3.3.55.jar | None |
| L | enderiointegrationtic | 5.2.59 | EnderIO-1.12.2-5.2.59.jar | None |
| L | tconstruct | 1.12.2-2.13.0.183 | TConstruct-1.12.2-2.13.0.183.jar | None |
| L | p455w0rdslib | 2.3.161 | p455w0rdslib-1.12.2-2.3.161.jar | None |
| L | ae2wtlib | 1.0.33 | AE2WTLib-1.12.2-1.0.33.jar | None |
| L | aiimprovements | 0.0.1.3 | AIImprovements-1.12-0.0.1b3.jar | None |
| L | appleskin | 1.0.9 | AppleSkin-mc1.12-1.0.9.jar | None |
| L | aquaculture | 1.6.8 | Aquaculture-1.12.2-1.6.8 (1).jar | None |
| L | betterbuilderswands | 0.13.2 | BetterBuildersWands-1.12.2-0.13.2.271+5997513.jar | None |
| L | better_diving | 1.5.7 | BetterDiving-1.12.2-1.5.7.jar | None |
| L | bibliocraft | 2.4.5 | BiblioCraft[v2.4.5][MC1.12.2].jar | None |
| L | biomesoplenty | 7.0.1.2444 | BiomesOPlenty-1.12.2-7.0.1.2444-universal.jar | None |
| L | bookshelf | 2.3.590 | Bookshelf-1.12.2-2.3.590.jar | None |
| L | codechickenlib | 3.2.3.358 | CodeChickenLib-1.12.2-3.2.3.358-universal.jar | None |
| L | brandonscore | 2.4.18 | BrandonsCore-1.12.2-2.4.18.210-universal.jar | None |
| L | buildcraftlib | 7.99.24.6 | buildcraft-all-7.99.24.6 (1).jar | None |
| L | buildcraftcore | 7.99.24.6 | buildcraft-all-7.99.24.6 (1).jar | None |
| L | buildcraftbuilders | 7.99.24.6 | buildcraft-all-7.99.24.6 (1).jar | None |
| L | buildcrafttransport | 7.99.24.6 | buildcraft-all-7.99.24.6 (1).jar | None |
| L | buildcraftsilicon | 7.99.24.6 | buildcraft-all-7.99.24.6 (1).jar | None |
| L | buildcraftenergy | 7.99.24.6 | buildcraft-all-7.99.24.6 (1).jar | None |
| L | ic2 | 2.8.220-ex112 | industrialcraft-2-2.8.220-ex112.jar | None |
| L | forestry | 5.8.2.422 | forestry_1.12.2-5.8.2.422.jar | None |
| L | buildcraftcompat | 7.99.24.6 | buildcraft-all-7.99.24.6 (1).jar | None |
| L | buildcraftfactory | 7.99.24.6 | buildcraft-all-7.99.24.6 (1).jar | None |
| L | buildcraftrobotics | 7.99.24.6 | buildcraft-all-7.99.24.6 (1).jar | None |
| L | chancecubes | 1.12.2-4.1.0.300 | ChanceCubes-1.12.2-4.1.0.300.jar | None |
| L | chesttransporter | 2.8.8 | ChestTransporter-1.12.2-2.8.8.jar | None |
| L | chickenchunks | 2.4.2.74 | ChickenChunks-1.12.2-2.4.2.74-universal.jar | None |
| L | comforts | 1.4.1.2 | comforts-1.12.2-1.4.1.2.jar | None |
| L | coralreef | 2.0 | CoralReef-2.5-1.12.2.jar | None |
| L | extendedrenderer | v1.0 | coroutil-1.12.1-1.2.37.jar | None |
| L | coroutil | 1.12.1-1.2.37 | coroutil-1.12.1-1.2.37.jar | None |
| L | configmod | v1.0 | coroutil-1.12.1-1.2.37.jar | None |
| L | cucumber | 1.1.3 | Cucumber-1.12.2-1.1.3.jar | None |
| L | darkutils | 1.8.226 | DarkUtils-1.12.2-1.8.226.jar | None |
| L | movingworld | 1.12-6.353 | movingworld-1.12-6.353-full.jar | None |
| L | davincisvessels | @DVESSELSVER@ | davincisvessels-1.12-6.340-full.jar | None |
| L | orespawn | 3.3.1 | OreSpawn-1.12-3.3.1.179.jar | None |
| L | densemetals | 1.2.0 | DenseMetals-1.12-1.2.0.21.jar | None |
| L | doggytalents | 1.15.1.5 | DoggyTalents-1.12.2-1.15.1.5.jar | None |
| L | dldungeonsjbg | 1.13.1 | DoomlikeDungeons-1.13.1-MC1.12.2.jar | None |
| L | draconicevolution | 2.3.25 | Draconic-Evolution-1.12.2-2.3.25.351-universal.jar | None |
| L | mocreatures | 12.0.5 | DrZharks+MoCreatures+Mod-12.0.5.jar | None |
| L | elevatorid | 1.4.2 | ElevatorMod-1.12.2-1.4.2.jar | None |
| L | enderiobase | 5.2.59 | EnderIO-1.12.2-5.2.59.jar | None |
| L | enderioconduits | 5.2.59 | EnderIO-1.12.2-5.2.59.jar | None |
| L | enderioconduitsappliedenergistics | 5.2.59 | EnderIO-1.12.2-5.2.59.jar | None |
| L | enderioconduitsopencomputers | 5.2.59 | EnderIO-1.12.2-5.2.59.jar | None |
| L | enderioconduitsrefinedstorage | 5.2.59 | EnderIO-1.12.2-5.2.59.jar | None |
| L | enderiointegrationforestry | 5.2.59 | EnderIO-1.12.2-5.2.59.jar | None |
| L | enderiointegrationticlate | 5.2.59 | EnderIO-1.12.2-5.2.59.jar | None |
| L | enderiomachines | 5.2.59 | EnderIO-1.12.2-5.2.59.jar | None |
| L | enderiopowertools | 5.2.59 | EnderIO-1.12.2-5.2.59.jar | None |
| L | enderstorage | 2.4.6.137 | EnderStorage-1.12.2-2.4.6.137-universal.jar | None |
| L | extracells | 2.6.2 | ExtraCells-1.12.2-2.6.2a.jar | None |
| L | galacticraftcore | 4.0.2.280 | GalacticraftCore-1.12.2-4.0.2.280.jar | None |
| L | galacticraftplanets | 4.0.2.280 | Galacticraft-Planets-1.12.2-4.0.2.280.jar | None |
| L | mjrlegendslib | 1.12.2-1.1.9 | MJRLegendsLib-1.12.2-1.1.9.jar | None |
| L | mcmultipart | 2.5.3 | MCMultiPart-2.5.3.jar | None |
| L | mekanism | 1.12.2-9.8.3.390 | Mekanism-1.12.2-9.8.3.390.jar | None |
| L | numina | 1.12.2-1.0.38 | Numina-1.12.2-1.0.38.jar | None |
| L | powersuits | 1.12.2-1.0.46 | ModularPowersuits-1.12.2-1.0.46.jar | None |
| L | extraplanets | 1.12.2-0.6.4 | ExtraPlanets-1.12.2-0.6.4.jar | None |
| L | extrautils2 | 1.0 | extrautils2-1.12-1.9.9.jar | None |
| L | zerocore | 1.12.2-0.1.2.8 | zerocore-1.12.2-0.1.2.8.jar | None |
| L | bigreactors | 1.12.2-0.4.5.67 | ExtremeReactors-1.12.2-0.4.5.67.jar | None |
| L | fastleafdecay | v14 | FastLeafDecay-v14.jar | None |
| L | sonarcore | 5.0.19 | sonarcore-1.12.2-5.0.19-20.jar | None |
| L | fluxnetworks | 4.0.14 | fluxnetworks-1.12.2-4.0.15-32.jar | None |
| L | forgelin | 1.8.4 | Forgelin-1.8.4.jar | None |
| L | llibrary | 1.7.19 | llibrary-1.7.19-1.12.2.jar | None |
| L | fossil | 8.0.4 | fossilsarcheology-8.0.4.jar | None |
| L | cfm | 6.3.1 | furniture-6.3.1-1.12.2.jar | None |
| L | gci | 0.6-1.12.2 | gci-0.6-1.12.2.jar | None |
| L | generaldisasters | 1.0 | generaldisasters-1.0.jar | None |
| L | gravestone | 1.10.3 | gravestone-1.10.3.jar | None |
| L | ichunutil | 7.2.1 | iChunUtil-1.12.2-7.2.1 (1).jar | None |
| L | gravitygun | 7.0.0 | GravityGun-1.12.2-7.0.1.jar | None |
| L | icbmclassic | 1.12.2-3.3.0.63 | ICBM-classic-1.12.2-3.3.0b63.jar | None |
| L | mts | 18.5.0 | Immersive+Vehicles-1.12.2-18.5.0.jar | None |
| L | teslacorelib | 1.0.15 | tesla-core-lib-1.12.2-1.0.15.jar | None |
| L | industrialforegoing | 1.12.2-1.12.2 | industrialforegoing-1.12.2-1.12.13-237.jar | None |
| L | infernalmobs | 1.7.6 | InfernalMobs-1.12.2.jar | None |
| L | inventorypets | 2.0.2 | inventorypets-1.12-2.0.2.jar | None |
| L | inventorysorter | 1.13.3+57 | inventorysorter-1.12.2-1.13.3+57.jar | None |
| L | ironchest | 1.12.2-7.0.67.844 | ironchest-1.12.2-7.0.72.847.jar | None |
| L | logisticspipes | 0.10.3.50 | logisticspipes-0.10.3.50.jar | None |
| L | lootbags | 2.5.8.5 | LootBags-1.12.2-2.5.8.5.jar | None |
| L | lycanitesmobs | 2.0.7.2 - MC 1.12.2 | lycanitesmobs-1.12.2-2.0.7.2.jar | None |
| L | mca | 6.1.0 | MCA-1.12.2-6.1.0-universal.jar | None |
| L | mcjtylib_ng | 3.5.4 | mcjtylib-1.12-3.5.4.jar | None |
| L | mekanismgenerators | 1.12.2-9.8.3.390 | MekanismGenerators-1.12.2-9.8.3.390.jar | None |
| L | mekanismtools | 1.12.2-9.8.3.390 | MekanismTools-1.12.2-9.8.3.390.jar | None |
| L | mob_grinding_utils | 0.3.13 | MobGrindingUtils-0.3.13.jar | None |
| L | modnametooltip | 1.10.1 | modnametooltip_1.12.2-1.10.1.jar | None |
| L | morph | 7.1.3 | Morph-1.12.2-7.1.3.jar | None |
| L | mysticalagriculture | 1.7.5 | MysticalAgriculture-1.12.2-1.7.5.jar | None |
| L | mysticalagradditions | 1.3.2 | MysticalAgradditions-1.12.2-1.3.2.jar | None |
| L | omlib | 3.1.4-249 | omlib-1.12.2-3.1.4-249.jar | None |
| L | openglider | @VERSION@ | OpenGlider-1.12.1-1.1.0.jar | None |
| L | openmodularturrets | 3.1.11-372 | openmodularturrets-1.12.2-3.1.11-372.jar | None |
| L | harvestcraft | 1.12.2zb | Pam's+HarvestCraft+1.12.2ze.jar | None |
| L | portalgun | 7.1.0 | PortalGun-1.12.2-7.1.0 (1).jar | None |
| L | practicallogistics2 | 3.0.8 | practicallogistics2-1.12.2-3.0.8-11.jar | None |
| L | realistictorches | 2.1.1 | RealisticTorches-1.12.2-2.1.1.jar | None |
| L | reccomplex | 1.4.7 | RecurrentComplex-1.4.7.jar | None |
| L | redstonearsenal | 2.6.6 | RedstoneArsenal-1.12.2-2.6.6.1-universal.jar | None |
| L | rftools | 7.73 | rftools-1.12-7.73.jar | None |
| L | rftoolsdim | 5.71 | rftoolsdim-1.12-5.71.jar | None |
| L | roguelike | 1.8.0 | RoguelikeDungeons-1.12.2-1.8.0.jar | None |
| L | secretroomsmod | 5.6.4 | secretroomsmod-1.12.2-5.6.4.jar | None |
| L | simplyjetpacks | 2.2.12.65 | SimplyJetpacks2-1.12.2-2.2.12.65.jar | None |
| L | spartanshields | 1.5.4 | SpartanShields-1.12.2-1.5.4.jar | None |
| L | stupidthings | 1.1.5 | Stupid+Things-1.12.X-1.1.5.jar | None |
| L | subcommonlib | 1.2.0.1 | subcommonlib-sublib-1.12.2-1.2.0.4.jar | None |
| L | techguns | 2.0.2.0 | techguns-1.12.2-2.0.2.0_pre3.1.jar | None |
| L | telepads | $version | telepads-1.12.2-1.1.0.6.jar | None |
| L | tinkertoolleveling | 1.12.2-1.1.0.DEV.b23e769 | TinkerToolLeveling-1.12.2-1.1.0.jar | None |
| L | treechopper | 1.2.4 | TreeChopper-1.12.2-1.2.4.jar | None |
| L | twilightforest | 3.6.345 | twilightforest-1.12.2-3.6.345-universal.jar | None |
| L | unuparts | 3.5.0 | UNU+Parts+Pack+[MTS]+1.12.2-18.0.0-3.5.0.jar | None |
| L | unucivil | BETA-4.0.1 | UNU+Civilian+Pack+[MTS]+1.12.2-18.0.0-BETA-4.0.1.jar | None |
| L | unumilitary | 3.5.1 | UNU+Military+Pack+[MTS]+1.12.2-18.0.0-3.5.1.jar | None |
| L | vanillafix | 1.0.10-SNAPSHOT | VanillaFix-1.0.10-99.jar | None |
| L | vehicle | 0.44.1 | vehicle-mod-0.44.1-1.12.2.jar | None |
| L | veinminer | 0.38.2 | VeinMiner-1.12-0.38.2.647+b31535a.jar | None |
| L | veinminermodsupport | 0.38.2 | VeinMiner-1.12-0.38.2.647+b31535a.jar | None |
| L | vc | 5.9.16 | ViesCraft-1.12.2-5.9.16.jar | None |
| L | wailaharvestability | 1.1.12 | WailaHarvestability-mc1.12-1.1.12.jar | None |
| L | wawla | 2.5.273 | Wawla-1.12.2-2.5.273.jar | None |
| L | weather2 | 1.12.1-2.6.12 | weather2-1.12.1-2.6.12.jar | None |
| L | wct | 3.12.93 | WirelessCraftingTerminal-1.12.2-3.12.93.jar | None |
| L | betteranimalsplus | 9.0.1 | betteranimalsplus-1.12.2-9.0.1.jar | None |
| L | orelib | 3.5.2.2 | OreLib-1.12.2-3.5.2.2.jar | None |
| L | dsurround | 3.5.4.3 | DynamicSurroundings-1.12.2-3.5.4.3.jar | None |
| L | matteroverdrive | 0.7.0.0 | MatterOverdrive-1.12.2-0.7.1.0-universal (1).jar | None |
| L | pipemaster | 1.0.2 | PipeMaster-1.0.2-b8.jar | None |
| L | teslacorelib_registries | 1.0.15 | tesla-core-lib-1.12.2-1.0.15.jar | None |
Loaded coremods (and transformers): ForgelinPlugin (Forgelin-1.8.4.jar)

MovingWorldCore (movingworld-1.12-6.353-full.jar)

MekanismCoremod (Mekanism-1.12.2-9.8.3.390.jar)
mekanism.coremod.KeybindingMigrationHelper
MicdoodlePlugin (MicdoodleCore-1.12.2-4.0.2.280.jar)
micdoodle8.mods.miccore.MicdoodleTransformer
ObfuscatePlugin (obfuscate-0.2.6-1.12.2.jar)
com.mrcrayfish.obfuscate.asm.ObfuscateTransformer
Techguns Core (techguns-1.12.2-2.0.2.0_pre3.1.jar)
techguns.core.TechgunsASMTransformer
llibrary (llibrary-core-1.0.11-1.12.2.jar)
net.ilexiconn.llibrary.server.core.plugin.LLibraryTransformer
net.ilexiconn.llibrary.server.core.patcher.LLibraryRuntimePatcher
EnderCorePlugin (EnderCore-1.12.2-0.5.76-core.jar)
com.enderio.core.common.transform.EnderCoreTransformer
com.enderio.core.common.transform.SimpleMixinPatcher
LogisticsPipesCoreLoader (logisticspipes-0.10.3.50.jar)
logisticspipes.asm.LogisticsClassTransformer
VanillaFixLoadingPlugin (VanillaFix-1.0.10-99.jar)

SecretRoomsMod-Core (secretroomsmod-1.12.2-5.6.4.jar)
com.wynprice.secretroomsmod.core.SecretRoomsTransformer
IvToolkit (IvToolkit-1.3.3-1.12.jar)

DynamicSurroundingsCore (DynamicSurroundings-core-1.12.2-3.5.4.3.jar)
org.orecruncher.dsurround.asm.Transformer
GL info: ' Vendor: 'NVIDIA Corporation' Version: '4.6.0 NVIDIA 443.14' Renderer: 'GeForce GTX 1650/PCIe/SSE2'
Suspected Mods: Unknown
Launched Version: 1.12.2-forge-14.23.5.2854
LWJGL: 2.9.4
OpenGL: GeForce GTX 1650/PCIe/SSE2 GL version 4.6.0 NVIDIA 443.14, NVIDIA Corporation
GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Shaders are available because OpenGL 2.1 is supported.
VBOs are available because OpenGL 1.5 is supported.
Using VBOs: Yes
Is Modded: Definitely; Client brand changed to 'fml,forge'
Type: Client (map_client.txt)
Resource Packs:
Current Language: English (US)
Profiler Position: N/A (disabled)
CPU: 16x AMD Ryzen 7 3700X 8-Core Processor

Remove mods one by one till you find the culprit.

You have an incompatible combination of Optifine and Forge:

You have:

Forge 14.23.5.2854

OptiFine_1.12.2_HD_U_F5

And this is the changelog of this version of optifine:

OptiFine 1.12.2_HD_U_F5

 - fixed crash when reloading textures (#3125)

 - fixed invisible mobs around the player

 - fixed shaders integer texture formats (#3109)

 - fixed CEM for horse, villager and illagers 

 - fixed CTM corners with innerSeams

 - compatible with Forge #2847

(04.12.2019)