Please post the full game log. I don't remember seeing that exception under these circumstances before.
---- Minecraft Crash Report ----
WARNING: coremods are present:
LoadingPlugin (replaymod-1.12-2.0.0.jar)
Contact their authors BEFORE contacting forge
// I just don't know what went wrong :(
Time: 7/8/17 7:23 PM
Description: Initializing game
java.lang.AbstractMethodError
at net.minecraftforge.client.model.MultiModelState.apply(MultiModelState.java:67)
at net.minecraftforge.client.model.MultiModelState.getPartState(MultiModelState.java:50)
at net.minecraftforge.client.model.ModelLoader$WeightedRandomModel.bake(ModelLoader.java:779)
at net.minecraftforge.client.model.ModelLoader.func_177570_a(ModelLoader.java:186)
at net.minecraft.client.renderer.block.model.ModelManager.func_110549_a(ModelManager.java:28)
at net.minecraft.client.resources.SimpleReloadableResourceManager.func_110542_a(SimpleReloadableResourceManager.java:121)
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:512)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:377)
at net.minecraft.client.main.Main.main(SourceFile:123)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------
-- Head --
Thread: Client thread
Stacktrace:
at net.minecraftforge.client.model.MultiModelState.apply(MultiModelState.java:67)
at net.minecraftforge.client.model.MultiModelState.getPartState(MultiModelState.java:50)
at net.minecraftforge.client.model.ModelLoader$WeightedRandomModel.bake(ModelLoader.java:779)
at net.minecraftforge.client.model.ModelLoader.func_177570_a(ModelLoader.java:186)
at net.minecraft.client.renderer.block.model.ModelManager.func_110549_a(ModelManager.java:28)
at net.minecraft.client.resources.SimpleReloadableResourceManager.func_110542_a(SimpleReloadableResourceManager.java:121)
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:512)
-- Initialization --
Details:
Stacktrace:
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:377)
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:483)
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
Operating System: Windows 10 (amd64) version 10.0
Java Version: 1.8.0_25, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 153386688 bytes (146 MB) / 509788160 bytes (486 MB) up to 12871532544 bytes (12275 MB)
JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx12G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
FML: MCP 9.40 Powered by Forge 14.21.1.2404 Optifine OptiFine_1.12_HD_U_C2 14 mods loaded, 14 mods active
States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
UCH minecraft{1.12} [Minecraft] (minecraft.jar)
UCH mcp{9.19} [Minecraft Coder Pack] (minecraft.jar)
UCH FML{8.0.99.99} [Forge Mod Loader] (forge-1.12-14.21.1.2404.jar)
UCH forge{14.21.1.2404} [Minecraft Forge] (forge-1.12-14.21.1.2404.jar)
UCH replaymod-compat{1.12-2.0.0} [Replay Mod - Compatibility] (replaymod-1.12-2.0.0.jar)
UCH replaymod-render{1.12-2.0.0} [Replay Mod - Render] (replaymod-1.12-2.0.0.jar)
UCH replaymod-replay{1.12-2.0.0} [Replay Mod - Replay] (replaymod-1.12-2.0.0.jar)
UCH replaymod{1.12-2.0.0} [Replay Mod] (replaymod-1.12-2.0.0.jar)
UCH replaymod-editor{1.12-2.0.0} [Replay Mod - Replay Editor] (replaymod-1.12-2.0.0.jar)
UCH replaymod-extras{1.12-2.0.0} [Replay Mod - Extras] (replaymod-1.12-2.0.0.jar)
UCH replaymod-online{1.12-2.0.0} [Replay Mod - Online] (replaymod-1.12-2.0.0.jar)
UCH replaymod-recording{1.12-2.0.0} [Replay Mod - Recording] (replaymod-1.12-2.0.0.jar)
UCH replaymod-simplepathing{1.12-2.0.0} [Replay Mod - Simple Pathing] (replaymod-1.12-2.0.0.jar)
UCH worldedit{6.1.4} [WorldEdit] (worldedit-forge-mc1.10.2-6.1.4-dist.jar)
Loaded coremods (and transformers):
LoadingPlugin (replaymod-1.12-2.0.0.jar)
GL info: ' Vendor: 'NVIDIA Corporation' Version: '4.5.0 NVIDIA 376.53' Renderer: 'GeForce GTX 1050 Ti/PCIe/SSE2'
Launched Version: 1.12-forge1.12-14.21.1.2404
LWJGL: 2.9.4
OpenGL: GeForce GTX 1050 Ti/PCIe/SSE2 GL version 4.5.0 NVIDIA 376.53, 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: Conquest_1.11.zip
Current Language: English (US)
Profiler Position: N/A (disabled)
CPU: 4x Intel(R) Core(TM) i5-4460 CPU @ 3.20GHz
OptiFine Version: OptiFine_1.12_HD_U_C2
Render Distance Chunks: 32
Mipmaps: 4
Anisotropic Filtering: 1
Antialiasing: 0
Multitexture: false
Shaders: null
OpenGlVersion: 4.5.0 NVIDIA 376.53
OpenGlRenderer: GeForce GTX 1050 Ti/PCIe/SSE2
OpenGlVendor: NVIDIA Corporation
CpuCount: 4