I know 1.18 has a fix but 1.17.1 doesn't. Is there any fix?

Do you have a crash report? I wasn't aware of any 1.17 conflicts with Fabric API anymore

yeah

---- Minecraft Crash Report ----
// Don't be sad, have a hug! <3

Time: 12/13/21, 9:39 PM
Description: Unexpected error

java.lang.RuntimeException: Mixin transformation of net.minecraft.class_758 failed
at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.getPostMixinClassByteArray(KnotClassDelegate.java:234)
at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.tryLoadClass(KnotClassDelegate.java:136)
at net.fabricmc.loader.impl.launch.knot.KnotClassLoader.loadClass(KnotClassLoader.java:155)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:520)
at net.minecraft.class_310.method_1523(class_310.java:1103)
at net.minecraft.class_310.method_1514(class_310.java:728)
at net.minecraft.client.main.Main.main(Main.java:217)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:599)
at net.fabricmc.loader.impl.launch.knot.Knot.launch(Knot.java:77)
at net.fabricmc.loader.impl.launch.knot.KnotClient.main(KnotClient.java:23)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.multimc.onesix.OneSixLauncher.launchWithMainClass(OneSixLauncher.java:210)
at org.multimc.onesix.OneSixLauncher.launch(OneSixLauncher.java:245)
at org.multimc.EntryPoint.listen(EntryPoint.java:143)
at org.multimc.EntryPoint.main(EntryPoint.java:34)
Caused by: org.spongepowered.asm.mixin.transformer.throwables.MixinTransformerError: An unexpected critical error was encountered
at org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:392)
at org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClass(MixinTransformer.java:234)
at org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClassBytes(MixinTransformer.java:202)
at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.getPostMixinClassByteArray(KnotClassDelegate.java:229)
... 21 more
Caused by: org.spongepowered.asm.mixin.injection.throwables.InjectionError: Critical injection failure: Redirector clearview$setupFog(Lnet/minecraft/class_1297;)Z in clearview.mixins.json:MixinFogRenderer from mod clearview failed injection check, (0/1) succeeded. Scanned 1 target(s). Using refmap LavaClearView-1.17.1-fabric-refmap.json
at org.spongepowered.asm.mixin.injection.struct.InjectionInfo.postInject(InjectionInfo.java:468)
at org.spongepowered.asm.mixin.transformer.MixinTargetContext.applyInjections(MixinTargetContext.java:1381)
at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.applyInjections(MixinApplicatorStandard.java:1052)
at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.applyMixin(MixinApplicatorStandard.java:400)
at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.apply(MixinApplicatorStandard.java:325)
at org.spongepowered.asm.mixin.transformer.TargetClassContext.apply(TargetClassContext.java:421)
at org.spongepowered.asm.mixin.transformer.TargetClassContext.applyMixins(TargetClassContext.java:403)
at org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:363)
... 24 more

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

-- Head --
Thread: Render thread
Stacktrace:
at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.getPostMixinClassByteArray(KnotClassDelegate.java:234)
at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.tryLoadClass(KnotClassDelegate.java:136)
at net.fabricmc.loader.impl.launch.knot.KnotClassLoader.loadClass(KnotClassLoader.java:155)

-- Last reload --
Details:
Reload number: 1
Reload reason: initial
Finished: No
Packs: Default, VanillaTweaks_r371873.zip, Fabric Mods
Stacktrace:
at net.minecraft.class_6360.method_36565(class_6360.java:49)
at net.minecraft.class_310.method_1587(class_310.java:2406)
at net.minecraft.class_310.method_1514(class_310.java:752)
at net.minecraft.client.main.Main.main(Main.java:217)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:599)
at net.fabricmc.loader.impl.launch.knot.Knot.launch(Knot.java:77)
at net.fabricmc.loader.impl.launch.knot.KnotClient.main(KnotClient.java:23)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.multimc.onesix.OneSixLauncher.launchWithMainClass(OneSixLauncher.java:210)
at org.multimc.onesix.OneSixLauncher.launch(OneSixLauncher.java:245)
at org.multimc.EntryPoint.listen(EntryPoint.java:143)
at org.multimc.EntryPoint.main(EntryPoint.java:34)

-- System Details --
Details:
Minecraft Version: 1.17.1
Minecraft Version ID: 1.17.1
Operating System: Windows 10 (amd64) version 10.0
Java Version: 17.0.1, Azul Systems, Inc.
Java VM Version: OpenJDK 64-Bit Server VM (mixed mode, sharing), Azul Systems, Inc.
Memory: 255430144 bytes (243 MiB) / 536870912 bytes (512 MiB) up to 1073741824 bytes (1024 MiB)
CPUs: 4
Processor Vendor: GenuineIntel
Processor Name: Intel(R) Core(TM) i3-7020U CPU @ 2.30GHz
Identifier: Intel64 Family 6 Model 142 Stepping 9
Microarchitecture: Amber Lake
Frequency (GHz): 2.30
Number of physical packages: 1
Number of physical CPUs: 2
Number of logical CPUs: 4
Graphics card #0 name: Intel(R) HD Graphics 620
Graphics card #0 vendor: Intel Corporation (0x8086)
Graphics card #0 VRAM (MB): 1024.00
Graphics card #0 deviceId: 0x5921
Graphics card #0 versionInfo: DriverVersion=27.20.100.9664
Memory slot #0 capacity (MB): 4096.00
Memory slot #0 clockSpeed (GHz): 2.40
Memory slot #0 type: DDR4
Memory slot #1 capacity (MB): 4096.00
Memory slot #1 clockSpeed (GHz): 2.67
Memory slot #1 type: DDR4
Virtual memory max (MB): 13700.05
Virtual memory used (MB): 9201.81
Swap memory total (MB): 5607.12
Swap memory used (MB): 1122.95
JVM Flags: 3 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xms512m -Xmx1024m
Fabric Mods:
autoconfig1u: Auto Config v1 Updated 3.3.1
betterf3: BetterF3 1.1.5
betterrecipebook: Better Recipe Book 1.5.4
clearview: Lava Clear View 2.0.0
cloth-basic-math: cloth-basic-math 0.6.0
cloth-config2: Cloth Config v5 5.1.40
com_moandjiezana_toml_toml4j: toml4j 0.7.2
com_velocitypowered_velocity-native: velocity-native 1.1.0-SNAPSHOT
dynamicfps: Dynamic FPS 2.0.6
emc-essentials: EarthMCEssentials 1.5.0-1.16.5+
entityculling: EntityCulling-Fabric 1.3.3
fabric: Fabric API 0.44.0+1.17
fabric-api-base: Fabric API Base 0.4.0+cf39a74318
fabric-api-lookup-api-v1: Fabric API Lookup API (v1) 1.4.0+cb9053d118
fabric-biome-api-v1: Fabric Biome API (v1) 3.2.2+cf39a74318
fabric-blockrenderlayer-v1: Fabric BlockRenderLayer Registration (v1) 1.1.6+cf39a74318
fabric-command-api-v1: Fabric Command API (v1) 1.1.4+cf39a74318
fabric-commands-v0: Fabric Commands (v0) 0.2.3+cf39a74318
fabric-containers-v0: Fabric Containers (v0) 0.1.13+cf39a74318
fabric-content-registries-v0: Fabric Content Registries (v0) 0.4.1+3447790d18
fabric-crash-report-info-v1: Fabric Crash Report Info (v1) 0.1.6+cf39a74318
fabric-dimensions-v1: Fabric Dimensions API (v1) 2.0.13+cf39a74318
fabric-entity-events-v1: Fabric Entity Events (v1) 1.4.1+377137cc18
fabric-events-interaction-v0: Fabric Events Interaction (v0) 0.4.12+e99fbe1218
fabric-events-lifecycle-v0: Fabric Events Lifecycle (v0) 0.2.4+cf39a74318
fabric-game-rule-api-v1: Fabric Game Rule API (v1) 1.0.8+cf39a74318
fabric-item-api-v1: Fabric Item API (v1) 1.3.0+6617390918
fabric-item-groups-v0: Fabric Item Groups (v0) 0.3.2+cf39a74318
fabric-key-binding-api-v1: Fabric Key Binding API (v1) 1.0.6+2a2bb57318
fabric-keybindings-v0: Fabric Key Bindings (v0) 0.2.4+cf39a74318
fabric-lifecycle-events-v1: Fabric Lifecycle Events (v1) 1.4.6+0392f3a618
fabric-loot-tables-v1: Fabric Loot Tables (v1) 1.0.5+cf39a74318
fabric-mining-level-api-v1: Fabric Mining Level API (v1) 1.0.3+cf39a74318
fabric-mining-levels-v0: Fabric Mining Levels (v0) 0.1.6+cf39a74318
fabric-models-v0: Fabric Models (v0) 0.3.1+cf39a74318
fabric-networking-api-v1: Fabric Networking API (v1) 1.0.14+cf39a74318
fabric-networking-blockentity-v0: Fabric Networking Block Entity (v0) 0.2.12+cf39a74318
fabric-networking-v0: Fabric Networking (v0) 0.3.3+cf39a74318
fabric-object-builder-api-v1: Fabric Object Builder API (v1) 1.11.0+f907116918
fabric-object-builders-v0: Fabric Object Builders (v0) 0.7.7+cf39a74318
fabric-particles-v1: Fabric Particles (v1) 0.2.5+cf39a74318
fabric-permissions-api-v0: fabric-permissions-api 0.1-SNAPSHOT
fabric-registry-sync-v0: Fabric Registry Sync (v0) 0.7.13+cf39a74318
fabric-renderer-api-v1: Fabric Renderer API (v1) 0.4.5+cf39a74318
fabric-renderer-indigo: Fabric Renderer - Indigo 0.4.9+cf39a74318
fabric-renderer-registries-v1: Fabric Renderer Registries (v1) 3.2.6+cf39a74318
fabric-rendering-data-attachment-v1: Fabric Rendering Data Attachment (v1) 0.1.6+cf39a74318
fabric-rendering-fluids-v1: Fabric Rendering Fluids (v1) 0.2.1+cf39a74318
fabric-rendering-v0: Fabric Rendering (v0) 1.1.7+cf39a74318
fabric-rendering-v1: Fabric Rendering (v1) 1.10.1+377137cc18
fabric-resource-loader-v0: Fabric Resource Loader (v0) 0.4.10+f09604ce18
fabric-screen-api-v1: Fabric Screen API (v1) 1.0.5+cf39a74318
fabric-screen-handler-api-v1: Fabric Screen Handler API (v1) 1.1.9+cf39a74318
fabric-structure-api-v1: Fabric Structure API (v1) 1.1.15+cf39a74318
fabric-tag-extensions-v0: Fabric Tag Extensions (v0) 1.2.3+cf39a74318
fabric-textures-v0: Fabric Textures (v0) 1.0.7+cf39a74318
fabric-tool-attribute-api-v1: Fabric Tool Attribute API (v1) 1.3.2+cf39a74318
fabric-transfer-api-v1: Fabric Transfer API (v1) 1.5.3+cf39a74318
fabricloader: Fabric Loader 0.12.8
ferritecore: FerriteCore 3.1.0
fiber: fiber 0.23.0-2
fpsdisplay: FPS-Display 1.4.1+1.17
inventoryhud: Inventory HUD + 3.4.1
java: OpenJDK 64-Bit Server VM 17
krypton: Krypton 0.1.4
lazydfu: LazyDFU 0.1.2
libzoomer: LibZoomer 0.2.1+1.17
minecraft: Minecraft 1.17.1
mm: Manningham Mills 2.3
modmenu: Mod Menu 2.0.14
okzoomer: Ok Zoomer 5.0.0-beta.2+1.17
optifabric: OptiFabric 1.12.7
org_aperlambda_lambdajcommon: lambdajcommon 1.8.1
spark: spark 1.6.2
spruceui: SpruceUI 3.2.0+1.17
torohealth: ToroHealth Damage Indicators 1.17.1-fabric-12
xaerominimap: Xaero's Minimap 21.22.0
xaeroworldmap: Xaero's World Map 1.18.1
Launched Version: MultiMC5
Backend library: LWJGL version 3.2.2 build 10
Backend API: Intel(R) HD Graphics 620 GL version 3.2.0 - Build 27.20.100.9664, Intel
Window size: 854x480
GL Caps: Using framebuffer using OpenGL 3.2
GL debug messages:
Using VBOs: Yes
Is Modded: Definitely; Client brand changed to 'fabric'
Type: Client (map_client.txt)
Graphics mode: fancy
Resource Packs: vanilla, file/VanillaTweaks_r371873.zip, Fabric Mods
Current Language: English (US)
CPU: 4x Intel(R) Core(TM) i3-7020U CPU @ 2.30GHz
OptiFine Version: OptiFine_1.17.1_HD_U_H1
OptiFine Build: 20211104-012451
Render Distance Chunks: 8
Mipmaps: 0
Anisotropic Filtering: 1
Antialiasing: 0
Multitexture: false
Shaders: null
OpenGlVersion: 3.2.0 - Build 27.20.100.9664
OpenGlRenderer: Intel(R) HD Graphics 620
OpenGlVendor: Intel
CpuCount: 4

-- OptiFabric --
Details:
OptiFine jar designed for: 1.17.1
OptiFine jar version: OptiFine_1.17.1_HD_U_H1
OptiFine jar status: Valid OptiFine installer
OptiFine remapped jar: C:/Games/MultiMC/instances/EarthMC/.minecraft/.optifine/OptiFine_1.17.1_HD_U_H1/Optifine-mapped.jar
OptiFabric error:

But now im not sure if it was caused by optifabric

turns out it wasn't caused by optifabric! sorry for the problems