Hello,

 

Since version 14.23.5.2781 and upper, Forge crash with Optifine 1.12.2_HD_U_E2 in the mods folder, if i remove Optifine everything is OK.

 

Here's the crash log and thanks !

 

---- Minecraft Crash Report ----

WARNING: coremods are present:
Contact their authors BEFORE contacting forge

// Surprise! Haha. Well, this is awkward.

Time: 11/27/18 9:03 PM
Description: Initializing game

java.lang.VerifyError: Bad return type
Exception Details:
  Location:
    Config.getDefiningResourcePack(Lnet/minecraft/server/network/NetHandlerLoginServer;)Lnet/minecraft/inventory/InventoryBasic; @91: areturn
  Reason:
    Type 'net/minecraft/inventory/ISidedInventory' (current frame, stack[0]) is not assignable to 'net/minecraft/inventory/InventoryBasic' (from method signature)
  Current Frame:
    bci: @91
    flags: { }
    locals: { 'net/minecraft/server/network/NetHandlerLoginServer', 'net/minecraft/potion/PotionAttackDamage', 'java/util/Collection', 'java/util/List' }
    stack: { 'net/minecraft/inventory/ISidedInventory' }
  Bytecode:
    0x0000000: b202 cdb6 0389 4c2b b603 8f4d 2cc0 0335
    0x0000010: 4e2d b903 3801 0004 6436 0415 049b 002e
    0x0000020: 2d15 04b9 033c 0200 c003 a33a 0519 05b6
    0x0000030: 03a6 3a06 1906 b203 7f2a b903 8203 0099
    0x0000040: 0006 1906 b084 04ff a7ff d3b8 03aa b203
    0x0000050: 7f2a b603 d499 0007 b803 aab0 01b0     
  Stackmap Table:
    full_frame(@27,{Object[#665],Object[#907],Object[#916],Object[#821],Integer},{})
    same_frame(@69)
    chop_frame(@75,1)
    same_frame(@92)

    at java.lang.Class.getDeclaredFields0(Native Method)
    at java.lang.Class.privateGetDeclaredFields(Unknown Source)
    at java.lang.Class.getField0(Unknown Source)
    at java.lang.Class.getField(Unknown Source)
    at net.minecraftforge.fml.client.FMLClientHandler.detectOptifine(FMLClientHandler.java:293)
    at net.minecraftforge.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:216)
    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(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    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:
---------------------------------------------------------------------------------------

-- Head --
Thread: Client thread
Stacktrace:
    at java.lang.Class.getDeclaredFields0(Native Method)
    at java.lang.Class.privateGetDeclaredFields(Unknown Source)
    at java.lang.Class.getField0(Unknown Source)
    at java.lang.Class.getField(Unknown Source)
    at net.minecraftforge.fml.client.FMLClientHandler.detectOptifine(FMLClientHandler.java:293)
    at net.minecraftforge.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:216)
    at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:467)

-- Initialization --
Details:
Stacktrace:
    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(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
    at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

-- System Details --
Details:
    Minecraft Version: 1.12.2
    Operating System: Windows 10 (amd64) version 10.0
    Java Version: 1.8.0_191, Oracle Corporation
    Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
    Memory: 70132088 bytes (66 MB) / 259223552 bytes (247 MB) up to 1060372480 bytes (1011 MB)
    JVM Flags: 6 total; -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump
    IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
    FML: 
    Loaded coremods (and transformers): 
    Launched Version: 1.12.2-forge1.12.2-14.23.5.2784
    LWJGL: 2.9.4
    OpenGL: GeForce GTX 860M/PCIe/SSE2 GL version 4.6.0 NVIDIA 411.70, 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: ~~ERROR~~ NullPointerException: null
    Profiler Position: N/A (disabled)
    CPU: 8x Intel(R) Core(TM) i7-4700HQ CPU @ 2.40GHz

Hello

 

Thanks ! i Didn't know that thing.

 

Sorry for bothering you