---- Minecraft Crash Report ----
// Don't do that.

Time: 15/10/20 8:45 PM
Description: Rendering Block Entity

java.lang.IllegalArgumentException: Cannot get property class_2753{name=facing, clazz=class net.minecraft.class_2350, values=[north, south, west, east]} as it does not exist in Block{minecraft:void_air}
at net.minecraft.class_2688.method_11654(class_2688.java:95)
at net.rotten.WoodReckRenderer.render(WoodReckRenderer.java:24)
at net.rotten.WoodReckRenderer.method_3569(WoodReckRenderer.java:14)
at net.minecraft.class_824.method_23079(class_824.java:107)
at net.minecraft.class_824.method_23081(class_824.java:96)
at net.minecraft.class_824.method_3554(class_824.java:128)
at net.minecraft.class_824.method_3555(class_824.java:96)
at grondag.canvas.render.CanvasWorldRenderer.renderWorld(CanvasWorldRenderer.java:604)
at grondag.canvas.render.CanvasWorldRenderer.method_22710(CanvasWorldRenderer.java:1144)
at net.minecraft.class_757.method_3188(class_757.java:727)
at net.minecraft.class_757.redirect$zla000$redirectRenderingWorld(class_757.java:2545)
at net.minecraft.class_757.method_3192(class_757.java:546)
at net.minecraft.class_310.method_1523(class_310.java:1023)
at net.minecraft.class_310.method_1514(class_310.java:656)
at net.minecraft.client.main.Main.main(Main.java:215)
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.fabricmc.loader.game.MinecraftGameProvider.launch(MinecraftGameProvider.java:227)
at net.fabricmc.loader.launch.knot.Knot.init(Knot.java:140)
at net.fabricmc.loader.launch.knot.KnotClient.main(KnotClient.java:26)
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 org.multimc.onesix.OneSixLauncher.launchWithMainClass(OneSixLauncher.java:196)
at org.multimc.onesix.OneSixLauncher.launch(OneSixLauncher.java:231)
at org.multimc.EntryPoint.listen(EntryPoint.java:143)
at org.multimc.EntryPoint.main(EntryPoint.java:34)

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

-- Head --
Thread: Render thread
Stacktrace:
at net.minecraft.class_2688.method_11654(class_2688.java:95)
at net.rotten.WoodReckRenderer.render(WoodReckRenderer.java:24)
at net.rotten.WoodReckRenderer.method_3569(WoodReckRenderer.java:14)
at net.minecraft.class_824.method_23079(class_824.java:107)
at net.minecraft.class_824.method_23081(class_824.java:96)

-- Block Entity Details --
Details:
Name: rotten:woodreckentity // net.rotten.WoodReckEntity
Block: Block{rotten:woodreck}[facing=west,waterlogged=false]
Block location: World: (-159,69,-165), Chunk: (at 1,4,11 in -10,-11; contains blocks -160,0,-176 to -145,255,-161), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1)
Block: Block{minecraft:void_air}
Block location: World: (-159,69,-165), Chunk: (at 1,4,11 in -10,-11; contains blocks -160,0,-176 to -145,255,-161), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1)
Stacktrace:
at net.minecraft.class_824.method_3554(class_824.java:128)
at net.minecraft.class_824.method_3555(class_824.java:96)
at grondag.canvas.render.CanvasWorldRenderer.renderWorld(CanvasWorldRenderer.java:604)
at grondag.canvas.render.CanvasWorldRenderer.method_22710(CanvasWorldRenderer.java:1144)
at net.minecraft.class_757.method_3188(class_757.java:727)
at net.minecraft.class_757.redirect$zla000$redirectRenderingWorld(class_757.java:2545)

-- Affected level --
Details:
All players: 1 total; [class_746['LordBaane'/122, l='ClientLevel', x=-142.50, y=69.00, z=-160.50]]
Chunk stats: Client Chunks (ImmPtl) 599
Level dimension: minecraft:overworld
Level spawn location: World: (-256,65,-256), Chunk: (at 0,4,0 in -16,-16; contains blocks -256,0,-256 to -241,255,-241), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1)
Level time: 1527067 game time, 2031824 day time
Server brand: fabric
Server type: Integrated singleplayer server
Stacktrace:
at net.minecraft.class_638.method_8538(class_638.java:449)
at net.minecraft.class_310.method_1587(class_310.java:2183)
at net.minecraft.class_310.method_1514(class_310.java:674)
at net.minecraft.client.main.Main.main(Main.java:215)
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.fabricmc.loader.game.MinecraftGameProvider.launch(MinecraftGameProvider.java:227)
at net.fabricmc.loader.launch.knot.Knot.init(Knot.java:140)
at net.fabricmc.loader.launch.knot.KnotClient.main(KnotClient.java:26)
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 org.multimc.onesix.OneSixLauncher.launchWithMainClass(OneSixLauncher.java:196)
at org.multimc.onesix.OneSixLauncher.launch(OneSixLauncher.java:231)
at org.multimc.EntryPoint.listen(EntryPoint.java:143)
at org.multimc.EntryPoint.main(EntryPoint.java:34)

-- System Details --
Details:
Minecraft Version: 1.16.3
Minecraft Version ID: 1.16.3
Operating System: Windows 10 (amd64) version 10.0
Java Version: 1.8.0_261, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 2308812000 bytes (2201 MB) / 4715446272 bytes (4497 MB) up to 7529299968 bytes (7180 MB)
CPUs: 8
JVM Flags: 3 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xms2048m -Xmx8077m
Fabric Mods:
adabraniummod: Adabranium Mod 1.2.1
adapaxels: AdaPaxels 1.0.3
adorn: Adorn 1.11.1+1.16.3
advanced_runtime_resource_pack: Runtime Resource Pack 0.2.6
adventurez: AdventureZ 1.1.2
amecsapi: Amecs API 1.1.1+mc1.16-rc1
autoconfig1u: Auto Config v1 Updated 3.2.2
backpackmod: Backpack Mod 1.16.3-1.2.2
backslot: BackSlot 1.1.5
bettercaves: YUNG's Better Caves 1.16.2-1.0.2
betternether: Better Nether 4.1.4
blue_endless_jankson: jankson 1.1.2
bowinfinityfix: Bow Infinity Fix rv9
byg: BYG 1.0.13
canvas: Canvas Renderer 1.0.989
cardinal-components-base: Cardinal Components API (base) 2.6.0
cardinal-components-entity: Cardinal Components API (entities) 2.6.0
cardinal-components-item: Cardinal Components API (items) 2.6.0
carrier: Carrier 1.3.0
carvepump: Carve My Pumpkin 1.0.2
cavebiomes: Cave Biomes 0.4.0
chainmail: Chainmail 0.5.0
cleanview: CleanView 1.16.3-v1-fabric
cloth-basic-math: Cloth Basic Math 0.5.1
cloth-client-events-v0: Cloth Client Events v0 1.4.5
cloth-config2: Cloth Config v4 4.8.2
cloth-dynamic-registry-api-v1: Cloth Dynamic Registry API v1 1.4.8
com_moandjiezana_toml_toml4j: toml4j 0.7.2
couplings: Couplings 1.3.1
curios: Curios API 0.0.8-1.16.3
dawn: Dawn API 1.2
disablecustomworldsadvice: Disable Custom Worlds Advice 1.1
durabilityviewer: Giselbaers Durability Viewer 1.16.2-fabric0.17.2-1.8.7
earthtojavamobs: Earth2Java 1.2.1+1.16.3
economical_villager_trading: Economical Villager Trading 1.0.1-1+1.16.1-1.16.3
elytra-recipe: Elytra Recipe 1.0.1
expandedstorage: ExpandedStorage 5.6.30
fabric: Fabric API 0.24.0+build.411-1.16
fabric-api-base: Fabric API Base 0.2.0+9f0fb4b895
fabric-biome-api-v1: Fabric Biome API (v1) 2.0.0+c29459ab95
fabric-blockrenderlayer-v1: Fabric BlockRenderLayer Registration (v1) 1.1.4+c6a8ea8995
fabric-command-api-v1: Fabric Command API (v1) 1.0.8+5ce5339895
fabric-commands-v0: Fabric Commands (v0) 0.2.0+52d3083695
fabric-containers-v0: Fabric Containers (v0) 0.1.8+045df74f95
fabric-content-registries-v0: Fabric Content Registries (v0) 0.1.9+059ea86695
fabric-crash-report-info-v1: Fabric Crash Report Info (v1) 0.1.2+b7f9825d95
fabric-events-interaction-v0: Fabric Events Interaction (v0) 0.4.1+f8ac1db295
fabric-events-lifecycle-v0: Fabric Events Lifecycle (v0) 0.2.0+16acbe5b95
fabric-game-rule-api-v1: Fabric Game Rule API (v1) 1.0.2+f8ac1db295
fabric-item-api-v1: Fabric Item API (v1) 1.2.0+f8ac1db295
fabric-item-groups-v0: Fabric Item Groups (v0) 0.2.0+438f963695
fabric-key-binding-api-v1: Fabric Key Binding API (v1) 1.0.1+730711c695
fabric-keybindings-v0: Fabric Key Bindings (v0) 0.2.0+3fa9f7c595
fabric-language-kotlin: Fabric Language Kotlin 1.4.0+build.1
fabric-language-scala: Fabric Language Scala 0.3.2.12
fabric-lifecycle-events-v1: Fabric Lifecycle Events (v1) 1.2.0+74cc3b2095
fabric-loot-tables-v1: Fabric Loot Tables (v1) 1.0.1+432ea18895
fabric-mining-levels-v0: Fabric Mining Levels (v0) 0.1.2+b764ce9995
fabric-models-v0: Fabric Models (v0) 0.1.1+f8ac1db295
fabric-networking-blockentity-v0: Fabric Networking Block Entity (v0) 0.2.5+b50ffc7b95
fabric-networking-v0: Fabric Networking (v0) 0.1.10+e00ecb5fa7
fabric-object-builder-api-v1: Fabric Object Builder API (v1) 1.9.0+c270b09895
fabric-object-builders-v0: Fabric Object Builders (v0) 0.7.0+432ea18895
fabric-particles-v1: fabric-particles-v1 0.2.2+fb0d9b0e95
fabric-registry-sync-v0: Fabric Registry Sync (v0) 0.6.0+9f0fb4b895
fabric-renderer-api-v1: Fabric Renderer API (v1) 0.3.1+f8ac1db295
fabric-renderer-indigo: Fabric Renderer - Indigo 0.4.1+f8ac1db295
fabric-renderer-registries-v1: Fabric Renderer Registries (v1) 2.2.0+f8ac1db295
fabric-rendering-data-attachment-v1: Fabric Rendering Data Attachment (v1) 0.1.4+f8ac1db295
fabric-rendering-fluids-v1: Fabric Rendering Fluids (v1) 0.1.12+f8ac1db295
fabric-rendering-v0: Fabric Rendering (v0) 1.1.1+f8ac1db295
fabric-rendering-v1: Fabric Rendering (v1) 1.3.1+f8ac1db295
fabric-resource-loader-v0: Fabric Resource Loader (v0) 0.3.1+facf3bbf95
fabric-screen-handler-api-v1: Fabric Screen Handler API (v1) 1.1.0+8724984195
fabric-structure-api-v1: Fabric Structure API (v1) 1.1.0+f8ac1db295
fabric-tag-extensions-v0: Fabric Tag Extensions (v0) 1.0.3+ac8e8c5995
fabric-textures-v0: Fabric Textures (v0) 1.0.4+eae12eb895
fabric-tool-attribute-api-v1: Fabric Tool Attribute API (v1) 1.2.3+f8ac1db295
fabricloader: Fabric Loader 0.10.1+build.209
falling_tree: FallingTree 2.4.0
fermion: Fermion 2.6.206
fermion-orientation: Fermion Orientation 1.1.205
fermion-varia: Fermion Varia 2.4.206
fiber: fiber 0.23.0-2
flyring: Ring of Flight 0.1.0+1.16.3
frex: FREX 3.4.140
gbfabrictools: GBfabrictools 1.2.3+1.16.2
gottaclimbfast: Gotta Climb Fast! 1.0
gravel-ores: Gravel Ores 1.2.0+1.16.2
grindenchantments: Grind Enchantments 1.1.3+1.16.3
imm_ptl_core: Immersive Portals Core 0.34
immersive_portals: Immersive Portals 0.34
inventorypause: Inventory Pause 1.0.3
inventorysorter: Inventory Sorter 1.7.4-1.16
jankson: Jankson 3.0.1+j1.2.0
json-model-extensions: JSON Model Extensions 1.15.124
kyrptconfig: Kytpt Config 1.1.2-1.16
lambdabettergrass: LambdaBetterGrass 1.0.1+1.16.3
libcd: LibCapableData 3.0.3+1.16.3
libgui: LibGui 3.0.0+1.16.3
lithium: Lithium 0.5.6
malilib: MaLiLib 0.10.0-dev.21+arne.1
materialisation: Materialisation 3.0.3
mcdw: MC Dungeons Weapons 1.1.3
medievalweapons: Medieval Weapons 1.0.0
minecraft: Minecraft 1.16.3
mo_glass: Mo Glass 1.4-MC1.16.3
modmenu: Mod Menu 1.14.6+build.31
moenchantments: Mo'Enchantments 1.13.7
more_gems: More Gems 1.1.4
morebookshelves: Bookshelving 0.0.0
morecraftingtables: Oh, How the Crafting Has Tabled! 0.1.3-1.16.3
mostructures: Mo' Structures 1.0.0-pre3+mc.1.16.2
moundertweaks: MounderTweaks 1.4.1
nbtcrafting: NBT Crafting 2.0.0-rc.7+mc1.16.2-pre1
nookbuild: NookBuild 1.1
okzoomer: Ok Zoomer 4.0.1+1.16.2
org_jetbrains_annotations: annotations 20.0.0
org_jetbrains_kotlin_kotlin-reflect: kotlin-reflect 1.4.0
org_jetbrains_kotlin_kotlin-stdlib: kotlin-stdlib 1.4.0
org_jetbrains_kotlin_kotlin-stdlib-jdk7: kotlin-stdlib-jdk7 1.4.0
org_jetbrains_kotlin_kotlin-stdlib-jdk8: kotlin-stdlib-jdk8 1.4.0
org_jetbrains_kotlinx_kotlinx-coroutines-jdk8: kotlinx-coroutines-jdk8 1.3.9
overpowered_mending: Overpowered Mending 2.2.2
packed: Packed Storage 1.0.8
patchouli: Patchouli 1.16.2-44-FABRIC
phosphor: Phosphor 0.6.0+build.7
playerabilitylib: Pal 1.2.1
reach-entity-attributes: Reach Entity Attribute 1.0.1
ring_of_attraction: Ring Of Attraction 1.0.23
ring_of_growth: Ring Of Growth 1.0.21
ringsofascension: Rings of Ascension 1.0.7
rotten: FleshZ 1.2.2
roughlyenoughitems: Roughly Enough Items 5.6.1
roughlyenoughitems-api: REI (API) 5.6.1
roughlyenoughitems-default-plugin: REI (Default Plugin) 5.6.1
roughlyenoughitems-runtime: REI (Runtime) 5.6.1
rpgstats: RPGStats 2.3.2+1.16.3
shieldisruptor: Shield Disruptor 1.1.1
silkspawners: SilkSpawners 1.0.0
simple_backpack: SimpleBackpack 1.0.28
special-circumstances: Special Circumstances 1.7.206
spruceui: SpruceUI 1.6.4
tinytweaks: TinyTweaks 1.0.13
tk_valoeghese_zoesteriaconfig: ZoesteriaConfig 1.3.2
tool_action_helper: Tool Action Helper 1.0.1
torohealth: ToroHealth Damage Indicators 1.16.3-fabric-1
trinkets: Trinkets 2.6.5
tweakeroo: Tweakeroo 0.10.0-dev.20200913.175041
vanillaenhanced: VanillaEnhanced 1.3.0
xaerominimap: Xaero's Minimap 20.25.1
xaeroworldmap: Xaero's World Map 1.11.0
Patchouli open book context: n/a
Launched Version: MultiMC5
Backend library: LWJGL version 3.2.2 build 10
Backend API: GeForce GT 650M/PCIe/SSE2 GL version 4.6.0 NVIDIA 411.63, NVIDIA Corporation
GL Caps: Using framebuffer using OpenGL 3.0
Using VBOs: Yes
Is Modded: Definitely; Client brand changed to 'fabric'
Type: Client (map_client.txt)
Graphics mode: fancy
Resource Packs: vanilla, fabric/fabric-keybindings-v0, fabric/materialisation, fabric/carvepump, fabric/fabricloader, fabric/trinkets, fabric/adapaxels, fabric/lambdabettergrass, fabric/torohealth, fabric/fabric-game-rule-api-v1, fabric/fabric-api-base, fabric/rpgstats, fabric/shieldisruptor, fabric/xaeroworldmap, fabric/nookbuild, fabric/adabraniummod, fabric/playerabilitylib, fabric/fabric-blockrenderlayer-v1, fabric/morebookshelves, fabric/mo_glass, fabric/simple_backpack, fabric/fabric, fabric/dawn, fabric/fabric-networking-v0, fabric/rotten, fabric/imm_ptl_core, fabric/fabric-screen-handler-api-v1, fabric/modmenu, fabric/fabric-tool-attribute-api-v1, fabric/roughlyenoughitems-runtime, fabric/fabric-crash-report-info-v1, fabric/fabric-events-interaction-v0, fabric/moundertweaks, fabric/mostructures, fabric/curios, fabric/fabric-language-kotlin, fabric/nbtcrafting, fabric/fabric-key-binding-api-v1, fabric/overpowered_mending, fabric/cloth-config2, fabric/fabric-resource-loader-v0, fabric/expandedstorage, fabric/fabric-registry-sync-v0, fabric/vanillaenhanced, fabric/fabric-mining-levels-v0, fabric/cleanview, fabric/fabric-models-v0, fabric/fabric-item-groups-v0, fabric/fabric-renderer-api-v1, fabric/gbfabrictools, fabric/inventorysorter, fabric/libcd, fabric/grindenchantments, fabric/cavebiomes, fabric/moenchantments, fabric/falling_tree, fabric/fabric-containers-v0, fabric/fabric-object-builder-api-v1, fabric/gravel-ores, fabric/ringsofascension, fabric/medievalweapons, fabric/tinytweaks, fabric/fabric-rendering-data-attachment-v1, fabric/fabric-textures-v0, fabric/elytra-recipe, fabric/fabric-rendering-fluids-v1, fabric/fabric-lifecycle-events-v1, fabric/immersive_portals, fabric/fabric-renderer-registries-v1, fabric/fabric-loot-tables-v1, fabric/more_gems, fabric/gottaclimbfast, fabric/fabric-networking-blockentity-v0, fabric/okzoomer, fabric/jankson, fabric/fabric-renderer-indigo, fabric/ring_of_growth, fabric/fabric-item-api-v1, fabric/roughlyenoughitems, fabric/xaerominimap, fabric/fabric-rendering-v0, fabric/fabric-rendering-v1, fabric/packed, fabric/spruceui, fabric/autoconfig1u, fabric/fabric-content-registries-v0, fabric/fabric-tag-extensions-v0, fabric/fabric-biome-api-v1, fabric/durabilityviewer, fabric/ring_of_attraction, fabric/economical_villager_trading, fabric/byg, fabric/carrier, fabric/fabric-events-lifecycle-v0, fabric/inventorypause, fabric/fabric-object-builders-v0, fabric/bettercaves (incompatible), fabric/malilib (incompatible), fabric/reach-entity-attributes (incompatible), fabric/tweakeroo (incompatible), file/minecraft-dungeons-pack-1-16-2-v3-0.zip, file/Clear+Glass+Pack+1.16.2.zip, lambdabettergrass/default, fabric/adorn, fabric/adventurez, fabric/amecsapi, fabric/backpackmod, fabric/backslot, fabric/canvas, fabric/earthtojavamobs, fabric/fermion, fabric/fermion-orientation, fabric/fermion-varia, fabric/flyring, fabric/frex, fabric/json-model-extensions, fabric/libgui, fabric/lithium, fabric/mcdw, fabric/morecraftingtables, fabric/patchouli (incompatible), file/More+Canvas+Compat-1.1-1.16.2.zip, fabric/phosphor, fabric/special-circumstances, file/Clarity-1.16.zip, fabric/betternether
Current Language: English (US)
CPU: 8x Intel(R) Core(TM) i7-3630QM CPU @ 2.40GHz
#@!@# Game crashed! Crash report saved to: #@!@# C:\Users\LordBaane\Downloads\mmc-stable-win32\MultiMC\instances\Fabric1.minecraft\crash-reports\crash-2020-10-15_20.45.54-client.txt
AL lib: (EE) alc_cleanup: 1 device not closed
Process exited with code -1.

Any steps to reproduce this crash?

From the logs it seems related to fleshz mod. If possible, please confirm with latest version of fleshz in 1.17.

Can't reproduce with latest FleshZ for 1.17.