Have crashed twice already on 9.1.1. Here's the latest crash report. I was near or in a PC both times, and I see PC mentioned in the crash report, but can't reliably reproduce.

Time: 1/17/23 4:36 PM
Description: Rendering Block Entity

java.lang.ClassCastException: com.mojang.blaze3d.vertex.VertexBuilderUtils$DelegatingVertexBuilder cannot be cast to net.minecraft.client.renderer.BufferBuilder
at com.pixelmonmod.pixelmon.client.models.smd.NormalizedFace.addFaceForRender(NormalizedFace.java:60) ~[?:1.16.5-9.1.1] {re:classloading}
at com.pixelmonmod.pixelmon.client.models.smd.SmdModel.buildVBO(SmdModel.java:387) ~[?:1.16.5-9.1.1] {re:classloading}
at com.pixelmonmod.pixelmon.client.models.smd.SmdModel.render(SmdModel.java:379) ~[?:1.16.5-9.1.1] {re:classloading}
at com.pixelmonmod.pixelmon.client.models.smd.ValveStudioModel.func_225598_a_(ValveStudioModel.java:88) ~[?:1.16.5-9.1.1] {re:classloading}
at com.pixelmonmod.pixelmon.client.models.ModelCustomWrapper.render(ModelCustomWrapper.java:36) ~[?:1.16.5-9.1.1] {re:classloading}
at com.pixelmonmod.pixelmon.client.models.PixelmonModelRenderer.renderCustomModels(PixelmonModelRenderer.java:140) ~[?:1.16.5-9.1.1] {re:classloading}
at com.pixelmonmod.pixelmon.client.models.PixelmonModelRenderer.func_228309_a_(PixelmonModelRenderer.java:70) ~[?:1.16.5-9.1.1] {re:classloading}
at com.pixelmonmod.pixelmon.client.models.blocks.GenericSmdModel.render(GenericSmdModel.java:65) ~[?:1.16.5-9.1.1] {re:classloading}
at com.pixelmonmod.pixelmon.client.render.tileEntities.RenderTileEntityGenericSMD.render(RenderTileEntityGenericSMD.java:95) ~[?:1.16.5-9.1.1] {re:classloading}
at com.pixelmonmod.pixelmon.client.render.tileEntities.TileEntityRenderer.func_225616_a_(TileEntityRenderer.java:53) ~[?:1.16.5-9.1.1] {re:classloading}
at net.minecraft.client.renderer.tileentity.TileEntityRendererDispatcher.func_228855_a_(TileEntityRendererDispatcher.java:128) ~[?:?] {re:classloading,pl:accesstransformer:B,xf:OptiFine:default}
at net.minecraft.client.renderer.tileentity.TileEntityRendererDispatcher.lambda$renderTileEntity$0(TileEntityRendererDispatcher.java:101) ~[?:?] {re:classloading,pl:accesstransformer:B,xf:OptiFine:default}
at net.minecraft.client.renderer.tileentity.TileEntityRendererDispatcher$$Lambda$8728/1925750636.run(Unknown Source) ~[?:?] {}
at net.minecraft.client.renderer.tileentity.TileEntityRendererDispatcher.func_228853_a_(TileEntityRendererDispatcher.java:174) ~[?:?] {re:classloading,pl:accesstransformer:B,xf:OptiFine:default}
at net.minecraft.client.renderer.tileentity.TileEntityRendererDispatcher.func_228850_a_(TileEntityRendererDispatcher.java:99) ~[?:?] {re:classloading,pl:accesstransformer:B,xf:OptiFine:default}
at net.minecraft.client.renderer.WorldRenderer.func_228426_a_(WorldRenderer.java:1816) ~[?:?] {re:classloading,pl:accesstransformer:B,xf:OptiFine:default,xf:fml:journeymap:WorldRenderer.setSectionDirty}
at net.minecraft.client.renderer.GameRenderer.func_228378_a_(GameRenderer.java:1022) ~[?:?] {re:classloading,pl:accesstransformer:B,xf:OptiFine:default}
at net.minecraft.client.renderer.GameRenderer.func_195458_a(GameRenderer.java:693) ~[?:?] {re:classloading,pl:accesstransformer:B,xf:OptiFine:default}
at net.minecraft.client.Minecraft.func_195542_b(Minecraft.java:977) [?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:fancymenu.general.mixin.json:MixinMinecraft,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:607) [?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:fancymenu.general.mixin.json:MixinMinecraft,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.client.main.Main.main(Main.java:184) [?:?] {re:classloading,pl:runtimedistcleaner:A}
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_51] {}
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_51] {}
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_51] {}
at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_51] {}
at net.minecraftforge.fml.loading.FMLClientLaunchProvider.lambda$launchService$0(FMLClientLaunchProvider.java:51) [forge-1.16.5-36.2.34.jar:36.2] {}
at net.minecraftforge.fml.loading.FMLClientLaunchProvider$$Lambda$459/1866403758.call(Unknown Source) [forge-1.16.5-36.2.34.jar:36.2] {}
at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-8.1.3.jar:?] {}
at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54) [modlauncher-8.1.3.jar:?] {}
at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72) [modlauncher-8.1.3.jar:?] {}
at cpw.mods.modlauncher.Launcher.run(Launcher.java:82) [modlauncher-8.1.3.jar:?] {}
at cpw.mods.modlauncher.Launcher.main(Launcher.java:66) [modlauncher-8.1.3.jar:?] {}


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

-- Head --
Thread: Render thread
Stacktrace:
at com.pixelmonmod.pixelmon.client.models.smd.NormalizedFace.addFaceForRender(NormalizedFace.java:60) ~[?:1.16.5-9.1.1] {re:classloading}
at com.pixelmonmod.pixelmon.client.models.smd.SmdModel.buildVBO(SmdModel.java:387) ~[?:1.16.5-9.1.1] {re:classloading}
at com.pixelmonmod.pixelmon.client.models.smd.SmdModel.render(SmdModel.java:379) ~[?:1.16.5-9.1.1] {re:classloading}
at com.pixelmonmod.pixelmon.client.models.smd.ValveStudioModel.func_225598_a_(ValveStudioModel.java:88) ~[?:1.16.5-9.1.1] {re:classloading}
at com.pixelmonmod.pixelmon.client.models.ModelCustomWrapper.render(ModelCustomWrapper.java:36) ~[?:1.16.5-9.1.1] {re:classloading}
at com.pixelmonmod.pixelmon.client.models.PixelmonModelRenderer.renderCustomModels(PixelmonModelRenderer.java:140) ~[?:1.16.5-9.1.1] {re:classloading}
at com.pixelmonmod.pixelmon.client.models.PixelmonModelRenderer.func_228309_a_(PixelmonModelRenderer.java:70) ~[?:1.16.5-9.1.1] {re:classloading}
at com.pixelmonmod.pixelmon.client.models.blocks.GenericSmdModel.render(GenericSmdModel.java:65) ~[?:1.16.5-9.1.1] {re:classloading}
at com.pixelmonmod.pixelmon.client.render.tileEntities.RenderTileEntityGenericSMD.render(RenderTileEntityGenericSMD.java:95) ~[?:1.16.5-9.1.1] {re:classloading}
at com.pixelmonmod.pixelmon.client.render.tileEntities.TileEntityRenderer.func_225616_a_(TileEntityRenderer.java:53) ~[?:1.16.5-9.1.1] {re:classloading}
at net.minecraft.client.renderer.tileentity.TileEntityRendererDispatcher.func_228855_a_(TileEntityRendererDispatcher.java:128) ~[?:?] {re:classloading,pl:accesstransformer:B,xf:OptiFine:default}
at net.minecraft.client.renderer.tileentity.TileEntityRendererDispatcher.lambda$renderTileEntity$0(TileEntityRendererDispatcher.java:101) ~[?:?] {re:classloading,pl:accesstransformer:B,xf:OptiFine:default}
at net.minecraft.client.renderer.tileentity.TileEntityRendererDispatcher$$Lambda$8728/1925750636.run(Unknown Source) ~[?:?] {}
-- Block Entity Details --
Details:
Name: pixelmon:pc // com.pixelmonmod.pixelmon.blocks.tileentity.PCTileEntity
Block: Block{pixelmon:pc}[facing=south,multipos=base]
Block location: World: (-4329,73,-36010), Chunk: (at 7,4,6 in -271,-2251; contains blocks -4336,0,-36016 to -4321,255,-36001), Region: (-9,-71; contains chunks -288,-2272 to -257,-2241, blocks -4608,0,-36352 to -4097,255,-35841)
Block: Block{pixelmon:pc}[facing=south,multipos=base]
Block location: World: (-4329,73,-36010), Chunk: (at 7,4,6 in -271,-2251; contains blocks -4336,0,-36016 to -4321,255,-36001), Region: (-9,-71; contains chunks -288,-2272 to -257,-2241, blocks -4608,0,-36352 to -4097,255,-35841)
Stacktrace:
at net.minecraft.client.renderer.tileentity.TileEntityRendererDispatcher.func_228853_a_(TileEntityRendererDispatcher.java:174) ~[?:?] {re:classloading,pl:accesstransformer:B,xf:OptiFine:default}
at net.minecraft.client.renderer.tileentity.TileEntityRendererDispatcher.func_228850_a_(TileEntityRendererDispatcher.java:99) ~[?:?] {re:classloading,pl:accesstransformer:B,xf:OptiFine:default}
at net.minecraft.client.renderer.WorldRenderer.func_228426_a_(WorldRenderer.java:1816) ~[?:?] {re:classloading,pl:accesstransformer:B,xf:OptiFine:default,xf:fml:journeymap:WorldRenderer.setSectionDirty}
at net.minecraft.client.renderer.GameRenderer.func_228378_a_(GameRenderer.java:1022) ~[?:?] {re:classloading,pl:accesstransformer:B,xf:OptiFine:default}


-- Affected level --
Details:
All players: 1 total; [ClientPlayerEntity['raid1025'/1905, l='ClientLevel', x=-4327.43, y=73.00, z=-36011.02]]
Chunk stats: Client Chunk Cache: 729, 483
Level dimension: minecraft:overworld
Level spawn location: World: (96,63,147), Chunk: (at 0,3,3 in 6,9; contains blocks 96,0,144 to 111,255,159), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Level time: 126519102 game time, 5800347089 day time
Server brand: forge arclight
Server type: Non-integrated multiplayer server
Stacktrace:
at net.minecraft.client.world.ClientWorld.func_72914_a(ClientWorld.java:617) ~[?:?] {re:classloading,xf:OptiFine:default}
at net.minecraft.client.Minecraft.func_71396_d(Minecraft.java:2031) [?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:fancymenu.general.mixin.json:MixinMinecraft,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:623) [?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:fancymenu.general.mixin.json:MixinMinecraft,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.client.main.Main.main(Main.java:184) [?:?] {re:classloading,pl:runtimedistcleaner:A}
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_51] {}
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_51] {}
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_51] {}
at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_51] {}
at net.minecraftforge.fml.loading.FMLClientLaunchProvider.lambda$launchService$0(FMLClientLaunchProvider.java:51) [forge-1.16.5-36.2.34.jar:36.2] {}
at net.minecraftforge.fml.loading.FMLClientLaunchProvider$$Lambda$459/1866403758.call(Unknown Source) [forge-1.16.5-36.2.34.jar:36.2] {}
at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-8.1.3.jar:?] {}
at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54) [modlauncher-8.1.3.jar:?] {}
at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72) [modlauncher-8.1.3.jar:?] {}
at cpw.mods.modlauncher.Launcher.run(Launcher.java:82) [modlauncher-8.1.3.jar:?] {}
at cpw.mods.modlauncher.Launcher.main(Launcher.java:66) [modlauncher-8.1.3.jar:?] {}