---- Minecraft Crash Report ----
// Uh... Did I do that?

Time: 2022-08-11 20:43:53
Description: Initializing game

java.lang.RuntimeException: Could not execute entrypoint stage 'main' due to errors, provided by 'fabric-networking-api-v1'!
at net.fabricmc.loader.impl.entrypoint.EntrypointUtils.lambda$invoke0$0(EntrypointUtils.java:51)
at net.fabricmc.loader.impl.util.ExceptionUtil.gatherExceptions(ExceptionUtil.java:33)
at net.fabricmc.loader.impl.entrypoint.EntrypointUtils.invoke0(EntrypointUtils.java:49)
at net.fabricmc.loader.impl.entrypoint.EntrypointUtils.invoke(EntrypointUtils.java:35)
at net.fabricmc.loader.impl.game.minecraft.Hooks.startClient(Hooks.java:52)
at net.minecraft.class_310.(class_310.java:459)
at net.minecraft.client.main.Main.method_44604(Main.java:205)
at net.minecraft.client.main.Main.main(Main.java:51)
at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:461)
at net.fabricmc.loader.impl.launch.knot.Knot.launch(Knot.java:74)
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.polymc.impl.OneSixLauncher.invokeMain(OneSixLauncher.java:104)
at org.polymc.impl.OneSixLauncher.launchWithMainClass(OneSixLauncher.java:175)
at org.polymc.impl.OneSixLauncher.launch(OneSixLauncher.java:185)
at org.polymc.EntryPoint.listen(EntryPoint.java:144)
at org.polymc.EntryPoint.main(EntryPoint.java:74)
Caused by: net.fabricmc.loader.api.EntrypointException: Exception while loading entries for entrypoint 'main' provided by 'fabric-networking-api-v1'
at net.fabricmc.loader.impl.entrypoint.EntrypointContainerImpl.getEntrypoint(EntrypointContainerImpl.java:56)
at net.fabricmc.loader.impl.entrypoint.EntrypointUtils.invoke0(EntrypointUtils.java:47)
... 17 more
Caused by: java.lang.RuntimeException: Mixin transformation of net.minecraft.class_3248 failed
at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.getPostMixinClassByteArray(KnotClassDelegate.java:419)
at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.tryLoadClass(KnotClassDelegate.java:323)
at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.loadClass(KnotClassDelegate.java:218)
at net.fabricmc.loader.impl.launch.knot.KnotClassLoader.loadClass(KnotClassLoader.java:145)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:520)
at java.base/java.lang.Class.getDeclaredMethods0(Native Method)
at java.base/java.lang.Class.privateGetDeclaredMethods(Class.java:3402)
at java.base/java.lang.Class.getDeclaredMethods(Class.java:2504)
at net.fabricmc.loader.impl.util.DefaultLanguageAdapter.create(DefaultLanguageAdapter.java:68)
at net.fabricmc.loader.impl.entrypoint.EntrypointStorage$NewEntry.getOrCreate(EntrypointStorage.java:117)
at net.fabricmc.loader.impl.entrypoint.EntrypointContainerImpl.getEntrypoint(EntrypointContainerImpl.java:53)
... 18 more
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:414)
... 28 more
Caused by: org.spongepowered.asm.mixin.throwables.MixinApplyError: Mixin [fabric-networking-api-v1.mixins.json:ServerLoginNetworkHandlerMixin from mod fabric-networking-api-v1] from phase [DEFAULT] in config [fabric-networking-api-v1.mixins.json] FAILED during APPLY
at org.spongepowered.asm.mixin.transformer.MixinProcessor.handleMixinError(MixinProcessor.java:638)
at org.spongepowered.asm.mixin.transformer.MixinProcessor.handleMixinApplyError(MixinProcessor.java:589)
at org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:379)
... 31 more
Caused by: org.spongepowered.asm.mixin.transformer.throwables.InvalidMixinException: @shadow field field_14162 was not located in the target class net.minecraft.class_3248. Using refmap fabric-networking-api-v1-refmap.json
at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.attachFields(MixinPreProcessorStandard.java:624)
at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.attach(MixinPreProcessorStandard.java:302)
at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.createContextFor(MixinPreProcessorStandard.java:277)
at org.spongepowered.asm.mixin.transformer.MixinInfo.createContextFor(MixinInfo.java:1289)
at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.apply(MixinApplicatorStandard.java:292)
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)
... 31 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.entrypoint.EntrypointUtils.lambda$invoke0$0(EntrypointUtils.java:51)
at net.fabricmc.loader.impl.util.ExceptionUtil.gatherExceptions(ExceptionUtil.java:33)
at net.fabricmc.loader.impl.entrypoint.EntrypointUtils.invoke0(EntrypointUtils.java:49)
at net.fabricmc.loader.impl.entrypoint.EntrypointUtils.invoke(EntrypointUtils.java:35)
at net.fabricmc.loader.impl.game.minecraft.Hooks.startClient(Hooks.java:52)
at net.minecraft.class_310.(class_310.java:459)

-- Initialization --
Details:
Modules:
Stacktrace:
at net.minecraft.client.main.Main.method_44604(Main.java:205)
at net.minecraft.client.main.Main.main(Main.java:51)
at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:461)
at net.fabricmc.loader.impl.launch.knot.Knot.launch(Knot.java:74)
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.polymc.impl.OneSixLauncher.invokeMain(OneSixLauncher.java:104)
at org.polymc.impl.OneSixLauncher.launchWithMainClass(OneSixLauncher.java:175)
at org.polymc.impl.OneSixLauncher.launch(OneSixLauncher.java:185)
at org.polymc.EntryPoint.listen(EntryPoint.java:144)
at org.polymc.EntryPoint.main(EntryPoint.java:74)

-- System Details --
Details:
Minecraft Version: 1.19.2
Minecraft Version ID: 1.19.2
Operating System: Linux (amd64) version 5.18.16-200.fc36.x86_64
Java Version: 17.0.1, Flathub
Java VM Version: OpenJDK 64-Bit Server VM (mixed mode, sharing), Flathub
Memory: 1016615424 bytes (969 MiB) / 2126512128 bytes (2028 MiB) up to 4294967296 bytes (4096 MiB)
CPUs: 4
Processor Vendor: AuthenticAMD
Processor Name: AMD Ryzen 3 3200G with Radeon Vega Graphics
Identifier: AuthenticAMD Family 23 Model 24 Stepping 1
Microarchitecture: unknown
Frequency (GHz): -0.00
Number of physical packages: 1
Number of physical CPUs: 4
Number of logical CPUs: 4
Graphics card #0 name: Device
Graphics card #0 vendor: Advanced Micro Devices, Inc. [AMD/ATI] (0x1002)
Graphics card #0 VRAM (MB): 4098.00
Graphics card #0 deviceId: 0x743f
Graphics card #0 versionInfo: unknown
Virtual memory max (MB): 16160.51
Virtual memory used (MB): 5560.66
Swap memory total (MB): 8192.00
Swap memory used (MB): 2.62
JVM Flags: 2 total; -Xms1024m -Xmx4096m
Fabric Mods:
fabric-api: Fabric API 0.59.0+1.19.2
fabric-api-base: Fabric API Base 0.4.10+e62f51a390
fabric-api-lookup-api-v1: Fabric API Lookup API (v1) 1.6.8+9ff28f4090
fabric-biome-api-v1: Fabric Biome API (v1) 9.0.16+83a8659290
fabric-blockrenderlayer-v1: Fabric BlockRenderLayer Registration (v1) 1.1.19+9ff28f4090
fabric-client-tags-api-v1: Fabric Client Tags 1.0.0+b35fea8390
fabric-command-api-v1: Fabric Command API (v1) 1.2.10+f71b366f90
fabric-command-api-v2: Fabric Command API (v2) 2.1.6+0c17ea9690
fabric-commands-v0: Fabric Commands (v0) 0.2.27+df3654b390
fabric-containers-v0: Fabric Containers (v0) 0.1.33+df3654b390
fabric-content-registries-v0: Fabric Content Registries (v0) 3.2.2+83a8659290
fabric-convention-tags-v1: Fabric Convention Tags 1.1.0+7cd20a1490
fabric-crash-report-info-v1: Fabric Crash Report Info (v1) 0.2.4+bd0a0d4a90
fabric-data-generation-api-v1: Fabric Data Generation API (v1) 5.1.7+a680b9b490
fabric-dimensions-v1: Fabric Dimensions API (v1) 2.1.29+a6d2f78590
fabric-entity-events-v1: Fabric Entity Events (v1) 1.4.17+9ff28f4090
fabric-events-interaction-v0: Fabric Events Interaction (v0) 0.4.27+9ff28f4090
fabric-events-lifecycle-v0: Fabric Events Lifecycle (v0) 0.2.27+df3654b390
fabric-game-rule-api-v1: Fabric Game Rule API (v1) 1.0.20+1899036190
fabric-item-api-v1: Fabric Item API (v1) 1.5.6+35a03c4390
fabric-item-groups-v0: Fabric Item Groups (v0) 0.3.27+6bee109e90
fabric-key-binding-api-v1: Fabric Key Binding API (v1) 1.0.19+9ff28f4090
fabric-keybindings-v0: Fabric Key Bindings (v0) 0.2.17+df3654b390
fabric-lifecycle-events-v1: Fabric Lifecycle Events (v1) 2.1.1+83a8659290
fabric-loot-api-v2: Fabric Loot API (v2) 1.1.2+83a8659290
fabric-loot-tables-v1: Fabric Loot Tables (v1) 1.1.5+9e7660c690
fabric-message-api-v1: Fabric Message API (v1) 5.0.2+176380a290
fabric-mining-level-api-v1: Fabric Mining Level API (v1) 2.1.13+33fbc73890
fabric-models-v0: Fabric Models (v0) 0.3.16+9ff28f4090
fabric-networking-api-v1: Fabric Networking API (v1) 1.2.3+5eb68ef290
fabric-networking-v0: Fabric Networking (v0) 0.3.20+df3654b390
fabric-object-builder-api-v1: Fabric Object Builder API (v1) 4.0.10+7675279690
fabric-particles-v1: Fabric Particles (v1) 1.0.9+dc39553a90
fabric-registry-sync-v0: Fabric Registry Sync (v0) 0.9.23+23c4cfef90
fabric-renderer-api-v1: Fabric Renderer API (v1) 1.0.9+84f79e9d90
fabric-renderer-indigo: Fabric Renderer - Indigo 0.6.11+5187d39f90
fabric-renderer-registries-v1: Fabric Renderer Registries (v1) 3.2.19+df3654b390
fabric-rendering-data-attachment-v1: Fabric Rendering Data Attachment (v1) 0.3.13+9ff28f4090
fabric-rendering-fluids-v1: Fabric Rendering Fluids (v1) 3.0.6+9ff28f4090
fabric-rendering-v0: Fabric Rendering (v0) 1.1.21+df3654b390
fabric-rendering-v1: Fabric Rendering (v1) 1.10.15+9ff28f4090
fabric-resource-conditions-api-v1: Fabric Resource Conditions API (v1) 2.0.10+e62f51a390
fabric-resource-loader-v0: Fabric Resource Loader (v0) 0.6.0+6bee109e90
fabric-screen-api-v1: Fabric Screen API (v1) 1.0.25+f05effaf90
fabric-screen-handler-api-v1: Fabric Screen Handler API (v1) 1.2.12+9ff28f4090
fabric-textures-v0: Fabric Textures (v0) 1.0.19+9ff28f4090
fabric-transfer-api-v1: Fabric Transfer API (v1) 2.0.10+83a8659290
fabric-transitive-access-wideners-v1: Fabric Transitive Access Wideners (v1) 1.2.0+1e232e1390
fabricloader: Fabric Loader 0.14.9
java: OpenJDK 64-Bit Server VM 17
minecraft: Minecraft 1.19.2
Launched Version: 1.19.2
Backend library: LWJGL version 3.3.1 SNAPSHOT
Backend API: Unknown
Window size:
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)
CPU:

This is an issue with polymc, if you change the minecraft version. see PolyMC/PolyMC#1042

You need to "edit instance" click on versions and also change the "intermediary mappings" to be the correct version
If you can't get it to work ask on their discord.

👋 We use the issue tracker exclusively for final bug reports and feature requests. However, this issue appears to be better suited for either a discussion thread, or a message on our discord server. Please post your request on one of these, and the conversation can continue there.