Mod version: 1.12.2-1.8.0.169
Forge version: 14.23.5.2855
Operating system: Windows 10
Mod list:

Crash report: ---- Minecraft Crash Report ----

WARNING: coremods are present:
CreativePatchingLoader (CreativeCore.jar)
MixinLoaderForge (ValkyreanSkies.jar)
TransformLoader (DynamicSurroundings.jar)
MekanismCoremod (Mek.jar)
CTMCorePlugin (CTM-MC1.12.2-1.0.2.31.jar)
Contact their authors BEFORE contacting forge

// Daisy, daisy...

Time: 8/26/21 10:30 PM
Description: Unexpected error

java.nio.BufferOverflowException
at java.nio.Buffer.nextPutIndex(Buffer.java:521)
at java.nio.DirectIntBufferU.put(DirectIntBufferU.java:297)
at net.optifine.render.VboRegion.drawArrays(VboRegion.java:310)
at net.minecraft.client.renderer.vertex.VertexBuffer.func_177358_a(VertexBuffer.java:54)
at com.github.lunatrius.schematica.client.renderer.chunk.container.SchematicChunkRenderContainerVbo.func_178001_a(SchematicChunkRenderContainerVbo.java:28)
at com.github.lunatrius.schematica.client.renderer.RenderSchematic.renderBlockLayer(RenderSchematic.java:802)
at com.github.lunatrius.schematica.client.renderer.RenderSchematic.func_174977_a(RenderSchematic.java:793)
at com.github.lunatrius.schematica.client.renderer.RenderSchematic.renderWorld(RenderSchematic.java:352)
at com.github.lunatrius.schematica.client.renderer.RenderSchematic.renderSchematic(RenderSchematic.java:278)
at com.github.lunatrius.schematica.client.renderer.RenderSchematic.onRenderWorldLast(RenderSchematic.java:247)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_734_RenderSchematic_onRenderWorldLast_RenderWorldLastEvent.invoke(.dynamic)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90)
at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:182)
at net.minecraftforge.client.ForgeHooksClient.dispatchRenderLast(ForgeHooksClient.java:196)
at sun.reflect.GeneratedMethodAccessor51.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at net.optifine.reflect.Reflector.callVoid(Reflector.java:669)
at net.minecraft.client.renderer.EntityRenderer.func_175068_a(EntityRenderer.java:1959)
at net.minecraft.client.renderer.EntityRenderer.func_78471_a(EntityRenderer.java:1621)
at net.minecraft.client.renderer.EntityRenderer.func_181560_a(EntityRenderer.java:1390)
at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:1119)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:398)
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:

-- Head --
Thread: Client thread
Stacktrace:
at java.nio.Buffer.nextPutIndex(Buffer.java:521)
at java.nio.DirectIntBufferU.put(DirectIntBufferU.java:297)
at net.optifine.render.VboRegion.drawArrays(VboRegion.java:310)
at net.minecraft.client.renderer.vertex.VertexBuffer.func_177358_a(VertexBuffer.java:54)
at com.github.lunatrius.schematica.client.renderer.chunk.container.SchematicChunkRenderContainerVbo.func_178001_a(SchematicChunkRenderContainerVbo.java:28)
at com.github.lunatrius.schematica.client.renderer.RenderSchematic.renderBlockLayer(RenderSchematic.java:802)
at com.github.lunatrius.schematica.client.renderer.RenderSchematic.func_174977_a(RenderSchematic.java:793)
at com.github.lunatrius.schematica.client.renderer.RenderSchematic.renderWorld(RenderSchematic.java:352)
at com.github.lunatrius.schematica.client.renderer.RenderSchematic.renderSchematic(RenderSchematic.java:278)
at com.github.lunatrius.schematica.client.renderer.RenderSchematic.onRenderWorldLast(RenderSchematic.java:247)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_734_RenderSchematic_onRenderWorldLast_RenderWorldLastEvent.invoke(.dynamic)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90)
at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:182)
at net.minecraftforge.client.ForgeHooksClient.dispatchRenderLast(ForgeHooksClient.java:196)
at sun.reflect.GeneratedMethodAccessor51.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at net.optifine.reflect.Reflector.callVoid(Reflector.java:669)
at net.minecraft.client.renderer.EntityRenderer.func_175068_a(EntityRenderer.java:1959)
at net.minecraft.client.renderer.EntityRenderer.func_78471_a(EntityRenderer.java:1621)

-- Affected level --
Details:
Level name: MpServer
All players: 1 total; [EntityPlayerSP['jtlandrith'/232891, l='MpServer', x=-922.05, y=50.00, z=-6627.97]]
Chunk stats: MultiplayerChunkCache: 441, 441
Level seed: 0
Level generator: ID 00 - default, ver 1. Features enabled: false
Level generator options:
Level spawn location: World: (16964,52,1004), Chunk: (at 4,3,12 in 1060,62; contains blocks 16960,0,992 to 16975,255,1007), Region: (33,1; contains chunks 1056,32 to 1087,63, blocks 16896,0,512 to 17407,255,1023)
Level time: 63795880 game time, 10134942 day time
Level dimension: 0
Level storage version: 0x00000 - Unknown?
Level weather: Rain time: 0 (now: true), thunder time: 0 (now: false)
Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
Forced entities: 3 total; [EntityPlayerSP['jtlandrith'/232891, l='MpServer', x=-922.05, y=50.00, z=-6627.97], EntityCustomNpc['Medr'/74047, l='MpServer', x=-905.50, y=64.00, z=-6588.50], EntityCustomNpc['Blocks'/74046, l='MpServer', x=-905.50, y=64.00, z=-6586.50]]
Retry entities: 0 total; []
Server brand: Mohist
Server type: Non-integrated multiplayer server
Stacktrace:
at net.minecraft.client.multiplayer.WorldClient.func_72914_a(WorldClient.java:532)
at net.minecraft.client.Minecraft.func_71396_d(Minecraft.java:2741)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:427)
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)