A detailed walkthrough of the error, its code path and all known details is as follows:
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OpenModsCorePlugin (OpenModsLib-1.12.2-0.12.jar)
openmods.core.OpenModsClassTransformer
GL info: ' Vendor: 'NVIDIA Corporation' Version: '4.6.0 NVIDIA 399.07' Renderer: 'GeForce GTX 760/PCIe/SSE2'
OpenModsLib class transformers: [llama_null_fix:FINISHED],[horse_base_null_fix:FINISHED],[pre_world_render_hook:FINISHED],[player_render_hook:FINISHED],[horse_null_fix:FINISHED]
Suspected Mods: Unknown
Launched Version: HMCL 3.2.127
LWJGL: 2.9.4
OpenGL: GeForce GTX 760/PCIe/SSE2 GL version 4.6.0 NVIDIA 399.07, 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: 简体中文 (中国)
Profiler Position: N/A (disabled)
CPU: 8x Intel(R) Xeon(R) CPU E3-1230 v3 @ 3.30GHz
Client Crashes Since Restart: 1
Integrated Server Crashes Since Restart: 0