---- Minecraft Crash Report ----
// Hi. I'm Minecraft, and I'm a crashaholic.

Time: 3/21/21 12:14 AM
Description: Unexpected error

java.lang.IllegalStateException: [LibMultiPart] We've gotten out of sync! (Expected to be in the middle of drawing block outlines when we're not!)
at net.minecraft.class_761.handler$bie000$endBlockOutline(class_761.java:6685)
at net.minecraft.class_761.method_22710(class_761.java:1937)
at net.minecraft.class_757.method_3188(class_757.java:1022)
at net.minecraft.class_757.method_3192(class_757.java:693)
at net.minecraft.class_310.method_1523(class_310.java:1048)
at net.minecraft.class_310.method_1514(class_310.java:681)
at net.minecraft.client.main.Main.main(Main.java:215)
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.fabricmc.loader.game.MinecraftGameProvider.launch(MinecraftGameProvider.java:226)
at net.fabricmc.loader.launch.knot.Knot.launch(Knot.java:146)
at net.fabricmc.loader.launch.knot.KnotClient.main(KnotClient.java:28)

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_761.handler$bie000$endBlockOutline(class_761.java:6685)
at net.minecraft.class_761.method_22710(class_761.java:1937)
at net.minecraft.class_757.method_3188(class_757.java:1022)

-- Affected level --
Details:
All players: 1 total; [class_746['KingDeku86'/2384, l='ClientLevel', x=1963.53, y=117.00, z=-1724.21]]
Chunk stats: Client Chunk Cache: 729, 481
Level dimension: minecraft:overworld
Level spawn location: World: (1982,100,-1686), Chunk: (at 14,6,10 in 123,-106; contains blocks 1968,0,-1696 to 1983,255,-1681), Region: (3,-4; contains chunks 96,-128 to 127,-97, blocks 1536,0,-2048 to 2047,255,-1537)
Level time: 6132292 game time, 1719058 day time
Server brand: fabric
Server type: Non-integrated multiplayer server
Stacktrace:
at net.minecraft.class_638.method_8538(class_638.java:617)
at net.minecraft.class_310.method_1587(class_310.java:2239)
at net.minecraft.class_310.method_1514(class_310.java:704)
at net.minecraft.client.main.Main.main(Main.java:215)
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.fabricmc.loader.game.MinecraftGameProvider.launch(MinecraftGameProvider.java:226)
at net.fabricmc.loader.launch.knot.Knot.launch(Knot.java:146)
at net.fabricmc.loader.launch.knot.KnotClient.main(KnotClient.java:28)

-- System Details --
Details:
Minecraft Version: 1.16.5
Minecraft Version ID: 1.16.5
Operating System: Windows 10 (amd64) version 10.0
Java Version: 1.8.0_51, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 1729687456 bytes (1649 MB) / 4294967296 bytes (4096 MB) up to 4294967296 bytes (4096 MB)
CPUs: 12
JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx4G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
Fabric Mods:
adorn: Adorn 1.13.0+1.16.5
advanced_runtime_resource_pack: Runtime Resource Pack 0.2.9
alaskanativecraft: Alaska Native Craft 1.1.1
artifice: Artifice 0.13.2+1.16.3
astromine: Astromine 1.11.5+fabric-1.16.5
astromine-core: Astromine: Core 1.11.5+fabric-1.16.5
astromine-discoveries: Astromine: Discoveries 1.11.5+fabric-1.16.5
astromine-foundations: Astromine: Foundations 1.11.5+fabric-1.16.5
astromine-technologies: Astromine: Technologies 1.11.5+fabric-1.16.5
astromine-transportations: Astromine: Transportations 1.11.5+fabric-1.16.5
autoconfig1u: Auto Config v1 Updated 3.3.1
autoconfigtoml: AutoConfig-TOML 1.0.0-fabric
bedspreads: Bedspreads 1.3.1-1.16.4
betterend: Better End 0.9.1-pre
betternether: Better Nether 5.0.7
betterslabs: Betterslabs 1.1.4
bewitchment: Bewitchment 1.16.5-7
biome_locator: Biome Locator 1.1.2
blade: Blade 2.0.0
byg: BYG 1.1.6
caelus: Caelus API 0.0.15-1.16.4
can-i-mine-this-block: cAn i MiNe thIS bLOCk? 1.0.2
cardinal-components: Cardinal Components API 2.6.0
cardinal-components-base: Cardinal Components API (base) 2.7.10
cardinal-components-block: Cardinal Components API (blocks) 2.7.10
cardinal-components-chunk: Cardinal Components API (chunks) 2.7.10
cardinal-components-entity: Cardinal Components API (entities) 2.7.10
cardinal-components-item: Cardinal Components API (items) 2.7.10
cardinal-components-level: Cardinal Components API (world saves) 2.7.10
cardinal-components-scoreboard: Cardinal Components API (scoreboard) 2.6.0
cardinal-components-util: Cardinal Components API (utilities) 2.7.10
cardinal-components-world: Cardinal Components API (worlds) 2.7.10
cinderscapes: Cinderscapes 1.3.3
cloth-armor-api-v1: Cloth Armor API v1 1.4.8
cloth-basic-math: Cloth Basic Math 0.5.1
cloth-client-events-v0: Cloth Client Events v0 1.5.47
cloth-common-events-v1: Cloth Common Events v1 1.4.8
cloth-config2: Cloth Config v4 4.11.14
cloth-datagen-api-v1: Cloth Datagen v1 1.4.9
cloth-durability-bar-api-v1: Cloth Durability Bar API v1 1.5.47
colytra: Colytra 1.3.0-1.16.4
com_electronwill_night-config_core: core 3.6.3
com_electronwill_night-config_toml: toml 3.6.3
crimsonmoon: Crimson Moon 2.0.3-1.16.5
croptopia: Croptopia 1.3.0
crowdin-translate: CrowdinTranslate 1.2
customportalapi: customportalapi 0.0.1-beta23-1.16
durabilityviewer: Giselbaers Durability Viewer 1.16.5-fabric0.30.0-1.10
emerald_tools: Emerald Tools 1.1.2
enderitemod: Enderite Mod 1.2.2
enderporter: Enderporter 1.0.2
fabric: Fabric API 0.32.0+1.16
fabric-api-base: Fabric API Base 0.2.1+9354966b7d
fabric-api-lookup-api-v1: Fabric API Lookup API (v1) 1.0.0+dc716ea17d
fabric-biome-api-v1: Fabric Biome API (v1) 3.1.1+ca58154a7d
fabric-blockrenderlayer-v1: Fabric BlockRenderLayer Registration (v1) 1.1.5+ca58154a7d
fabric-command-api-v1: Fabric Command API (v1) 1.1.0+f9b3753b7d
fabric-commands-v0: Fabric Commands (v0) 0.2.2+ca58154a7d
fabric-containers-v0: Fabric Containers (v0) 0.1.11+9354966b7d
fabric-content-registries-v0: Fabric Content Registries (v0) 0.2.1+ca58154a7d
fabric-crash-report-info-v1: Fabric Crash Report Info (v1) 0.1.3+ca58154a7d
fabric-dimensions-v1: fabric-dimensions-v1 2.0.6+9354966b7d
fabric-entity-events-v1: Fabric Entity Events (v1) 1.0.3+ca58154a7d
fabric-events-interaction-v0: Fabric Events Interaction (v0) 0.4.2+ca58154a7d
fabric-events-lifecycle-v0: Fabric Events Lifecycle (v0) 0.2.1+ca58154a7d
fabric-game-rule-api-v1: Fabric Game Rule API (v1) 1.0.6+ca58154a7d
fabric-item-api-v1: Fabric Item API (v1) 1.2.1+ca58154a7d
fabric-item-groups-v0: Fabric Item Groups (v0) 0.2.3+ca58154a7d
fabric-key-binding-api-v1: Fabric Key Binding API (v1) 1.0.4+9354966b7d
fabric-keybindings-v0: Fabric Key Bindings (v0) 0.2.1+ca58154a7d
fabric-language-kotlin: Fabric Language Kotlin 1.5.0+kotlin.1.4.31
fabric-lifecycle-events-v1: Fabric Lifecycle Events (v1) 1.2.1+ca58154a7d
fabric-loot-tables-v1: Fabric Loot Tables (v1) 1.0.2+ca58154a7d
fabric-mining-levels-v0: Fabric Mining Levels (v0) 0.1.3+ca58154a7d
fabric-models-v0: Fabric Models (v0) 0.2.1+ca58154a7d
fabric-networking-api-v1: Fabric Networking API (v1) 1.0.1+ca58154a7d
fabric-networking-blockentity-v0: Fabric Networking Block Entity (v0) 0.2.8+ca58154a7d
fabric-networking-v0: Fabric Networking (v0) 0.3.2+ca58154a7d
fabric-object-builder-api-v1: Fabric Object Builder API (v1) 1.9.4+9354966b7d
fabric-object-builders-v0: Fabric Object Builders (v0) 0.7.2+ca58154a7d
fabric-particles-v1: Fabric Particles (v1) 0.2.4+ca58154a7d
fabric-registry-sync-v0: Fabric Registry Sync (v0) 0.7.4+ca58154a7d
fabric-renderer-api-v1: Fabric Renderer API (v1) 0.4.1+ca58154a7d
fabric-renderer-indigo: Fabric Renderer - Indigo 0.4.4+ca58154a7d
fabric-renderer-registries-v1: Fabric Renderer Registries (v1) 2.2.1+ca58154a7d
fabric-rendering-data-attachment-v1: Fabric Rendering Data Attachment (v1) 0.1.5+ca58154a7d
fabric-rendering-fluids-v1: Fabric Rendering Fluids (v1) 0.1.13+ca58154a7d
fabric-rendering-v0: Fabric Rendering (v0) 1.1.2+ca58154a7d
fabric-rendering-v1: Fabric Rendering (v1) 1.5.1+ca58154a7d
fabric-resource-loader-v0: Fabric Resource Loader (v0) 0.4.2+ca58154a7d
fabric-screen-api-v1: Fabric Screen API (v1) 1.0.0+c045166c7d
fabric-screen-handler-api-v1: Fabric Screen Handler API (v1) 1.1.5+9354966b7d
fabric-structure-api-v1: Fabric Structure API (v1) 1.1.4+ca58154a7d
fabric-tag-extensions-v0: Fabric Tag Extensions (v0) 1.1.1+ca58154a7d
fabric-textures-v0: Fabric Textures (v0) 1.0.6+ca58154a7d
fabric-tool-attribute-api-v1: Fabric Tool Attribute API (v1) 1.2.6+ca58154a7d
fabricloader: Fabric Loader 0.11.3
fabricshieldlib: Fabric Shield Lib 1.3.5-1.16.5
fallflyinglib: FallFlyingLib 1.1.0
fasttransferlib: Fast Transfer Lib 0.3.1
fermion: Fermion 2.1.191
fermion-modkeys: Fermion Modifier Keys 1.10.218
fiber: fiber 0.23.0-2
flytre_lib: FlytreLib 0.2.8
gateofbabylon: Gate Of Babylon 1.4.0-1.16.5
gbfabrictools: GBfabrictools 1.3.2+1.16.4
geckolib3: Geckolib 3.0.25
gildedarmor: Gilded Armor 1.1.0
givemehats: Give Me Hats! 1.4
hotm: Heart of the Machine 1.16.3-0.1.7
hplus: Better Hoppers (Hopper+) 2.2.0
impersonate: Impersonate 2.1.0
improved-stations: Improved Stations 2.0.3
indrev: Industrial Revolution 1.8.13-BETA
inmis: Inmis 2.1.2-1.16.4
ironchest: Iron Chests 1.1.3
jankson: Jankson 3.0.1+j1.2.0
java: Java HotSpot(TM) 64-Bit Server VM 8
launchersmod: Launchers 3.2.0
libblockattributes: LibBlockAttributes 0.8.7
libblockattributes_core: LibBlockAttributes (Core) 0.8.7
libblockattributes_fluids: LibBlockAttributes (Fluids) 0.8.7
libblockattributes_items: LibBlockAttributes (Items) 0.8.7
libcd: LibCapableData 3.0.3+1.16.3
libgui: LibGui 3.3.5+1.16.5
libmultipart: LibMultiPart 0.4.7
libnetworkstack: Lib Network Stack 0.4.7
lightstones: Lightstones 1.3.0
magna: Magna 1.4.3-1.16.2
maybe-data: Maybe data 1.0.0-1.16.2
minecraft: Minecraft 1.16.5
mining_dims: Mining Dimensions 1.0.4
mm: Manningham Mills 2.2
moborigins: Mob Origins 1.3.1
mobropes: Mob Ropes 1.16.4+1.0.2
modern_industrialization: Modern Industrialization 0.3.15
modmenu: Mod Menu 1.16.8
moreshields: MoreShields 2.0.1
moretotems: More Totems 2.7.3
nbtcrafting: NBT Crafting 2.0.5+mc1.16.4
nourish: Nourish 1.2.1
optifabric: OptiFabric 1.9.6
org_jetbrains_kotlin_kotlin-reflect: kotlin-reflect 1.4.31
org_jetbrains_kotlin_kotlin-stdlib: kotlin-stdlib 1.4.31
org_jetbrains_kotlin_kotlin-stdlib-jdk7: kotlin-stdlib-jdk7 1.4.31
org_jetbrains_kotlin_kotlin-stdlib-jdk8: kotlin-stdlib-jdk8 1.4.31
org_jetbrains_kotlinx_kotlinx-coroutines-core-jvm: kotlinx-coroutines-core-jvm 1.4.2
org_jetbrains_kotlinx_kotlinx-coroutines-jdk8: kotlinx-coroutines-jdk8 1.4.2
org_jetbrains_kotlinx_kotlinx-serialization-core-jvm: kotlinx-serialization-core-jvm 1.1.0
org_jetbrains_kotlinx_kotlinx-serialization-json-jvm: kotlinx-serialization-json-jvm 1.1.0
org_joml_joml: joml 1.10.0
org_yaml_snakeyaml: snakeyaml 1.26
origins: Origins 0.6.1
origins-classes: Origins: Classes 1.1.1
oro_config: OroArmor Config 1.2.0
patchouli: Patchouli 1.16.4-50-FABRIC
pehkui: Pehkui 1.9.0+21w10a
piglib: Piglib 1.0.1
pipe: Pipe 1.1.2
playerabilitylib: Pal 1.2.1
quartzelv: Quartz Elevator 1.2.0
reach-entity-attributes: Reach Entity Attributes 1.1.0
reborncore: Reborn Core 4.7.2+build.132
replaymod: Replay Mod 1.16.4-2.5.1
roughlyenoughitems: Roughly Enough Items 5.10.184
roughlyenoughitems-api: REI (API) 5.10.184
roughlyenoughitems-default-plugin: REI (Default Plugin) 5.10.184
roughlyenoughitems-runtime: REI (Runtime) 5.10.184
satin: Satin 1.6.0-nightly.20w48a
shapes: Shapes 2.0.0+build.10
simple_pipes: SimplePipeTest 0.4.7
simple_pipes_dep_container: SimplePipeTest (Dependency Container) 0.4.7
somnus: Somnus API 0.0.11-1.16.5
staffofbuilding: Staff of Building 1.2.5-1.16.5
starry_sky: Starry Skies 1.0.10-1.16.5
statement: Statement 4.0.0+1.16.2
step-height-entity-attribute: Step Height Entity Attribute 1.0.0
stuffz: StuffZ 2.2.5
team_reborn_energy: Energy 0.1.1
techreborn: Tech Reborn 3.8.2+build.220
terraform-biome-builder-api-v1: Terraform Biome Builder API (v1) 1.0.4
terraform-config-api-v1: Terraform Config API (v1) 1.0.3
terraform-dirt-api-v1: Terraform Dirt API (v1) 1.1.3
terraform-overworld-biome-extensions-api-v1: Terraform Overworld Biome Extensions API (v1) 1.0.3
terraform-shapes-api-v1: Terraform Shapes API (v1) 1.0.3
terraform-surfaces-api-v1: Terraform Surfaces API (v1) 1.0.3
terraform-tree-api-v1: Terraform Tree API (v1) 1.0.4
terraform-wood-api-v1: Terraform Wood API (v1) 1.0.4
terrestria: Terrestria 2.2.0
tk_valoeghese_zoesteriaconfig: ZoesteriaConfig 1.3.2
traverse: Traverse 3.3.2
trinkets: Trinkets 2.6.7
truerooms: True Secret Rooms 1.1.3
upstream: Upstream 1.0.1
vanilladeathchest: VanillaDeathChest 2.0.6-fabric
villagerhats: Villager Hats fabric-1.16.4-1.0.1
waila: Hwyla 1.9.22
wrenchable: Wrenchable 1.0.0+1.16.1
xaerominimap: Xaero's Minimap 21.4.2
xaeroworldmap: Xaero's World Map 1.12.2
Patchouli open book context: n/a
Launched Version: fabric-loader-0.11.3-1.16.5
Backend library: LWJGL version 3.2.2 build 10
Backend API: Radeon RX 580 Series GL version 4.6.13596 Compatibility Profile Context 20.10.35.02 27.20.1034.6, ATI Technologies Inc.
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: Fabric Mods
Current Language: English (US)
CPU: 12x AMD Ryzen 5 3600 6-Core Processor
OptiFine Version: OptiFine_1.16.5_HD_U_G7
OptiFine Build: 20210305-003221
Render Distance Chunks: 8
Mipmaps: 4
Anisotropic Filtering: 1
Antialiasing: 0
Multitexture: false
Shaders: null
OpenGlVersion: 4.6.13596 Compatibility Profile Context 20.10.35.02 27.20.1034.6
OpenGlRenderer: Radeon RX 580 Series
OpenGlVendor: ATI Technologies Inc.
CpuCount: 12

-- OptiFabric --
Details:
OptiFine jar designed for: 1.16.5
OptiFine jar version: OptiFine_1.16.5_HD_U_G7
OptiFine jar status: Valid OptiFine installer
OptiFine remapped jar: C:\Users\APeha\AppData\Roaming.minecraft.optifine\OptiFine_1.16.5_HD_U_G7\Optifine-mapped.jar
OptiFabric error:

I even uninstalled and reinstalled minecraft what is the problem?!

Can you try with 0.5.0-pre.1? If that works then I'll push it as a release to curseforge.

it worked wonderfully thank you!