Fabric API

Fabric API

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Server crashes when Fabric API installed

mrizzy2007 opened this issue ยท 3 comments

commented

Server crashes on start when Fabric API installed. No problems when launching with no mods

[23:48:09] [main/INFO]: Loading Minecraft 1.20.4 with Fabric Loader 0.16.5
[23:48:09] [main/INFO]: Loading 43 mods:
        - fabric-api 0.97.2+1.20.4
           |-- fabric-api-base 0.4.37+78d798af4f
           |-- fabric-api-lookup-api-v1 1.6.50+82b1bb3e4f
           |-- fabric-biome-api-v1 13.0.17+78d798af4f
           |-- fabric-block-api-v1 1.0.17+3e2216cb4f
           |-- fabric-block-view-api-v2 1.0.5+78d798af4f
           |-- fabric-blockrenderlayer-v1 1.1.47+78d798af4f
           |-- fabric-client-tags-api-v1 1.1.8+78d798af4f
           |-- fabric-command-api-v1 1.2.42+f71b366f4f
           |-- fabric-command-api-v2 2.2.21+78d798af4f
           |-- fabric-commands-v0 0.2.59+df3654b34f
           |-- fabric-containers-v0 0.1.88+df3654b34f
           |-- fabric-content-registries-v0 5.0.16+78d798af4f
           |-- fabric-convention-tags-v1 1.5.11+78d798af4f
           |-- fabric-crash-report-info-v1 0.2.24+78d798af4f
           |-- fabric-data-attachment-api-v1 1.1.5+b90db5744f
           |-- fabric-data-generation-api-v1 13.2.6+5c0133444f
           |-- fabric-dimensions-v1 2.1.63+6605d1a84f
           |-- fabric-entity-events-v1 1.6.2+09fc25014f
           |-- fabric-events-interaction-v0 0.7.2+389931eb4f
           |-- fabric-events-lifecycle-v0 0.2.75+df3654b34f
           |-- fabric-game-rule-api-v1 1.0.47+78d798af4f
           |-- fabric-item-api-v1 2.3.0+bcdd12964f
           |-- fabric-item-group-api-v1 4.0.27+ee30b13a4f
           |-- fabric-key-binding-api-v1 1.0.42+78d798af4f
           |-- fabric-keybindings-v0 0.2.40+df3654b34f
           |-- fabric-lifecycle-events-v1 2.3.1+a67ffb5d4f
           |-- fabric-loot-api-v2 2.1.10+78d798af4f
           |-- fabric-message-api-v1 6.0.6+78d798af4f
           |-- fabric-mining-level-api-v1 2.1.66+78d798af4f
           |-- fabric-model-loading-api-v1 1.0.9+78d798af4f
           |-- fabric-models-v0 0.4.8+9386d8a74f
           |-- fabric-networking-api-v1 3.1.9+6abb6a4b4f
           |-- fabric-object-builder-api-v1 13.1.0+dba1195c4f
           |-- fabric-particles-v1 1.1.8+78d798af4f
           |-- fabric-recipe-api-v1 2.0.22+78d798af4f
           |-- fabric-registry-sync-v0 4.0.21+ee30b13a4f
           |-- fabric-renderer-api-v1 3.2.5+78d798af4f
           |-- fabric-renderer-indigo 1.5.6+d331d3144f
           |-- fabric-renderer-registries-v1 3.2.54+df3654b34f
           |-- fabric-rendering-data-attachment-v1 0.3.43+73761d2e4f
           |-- fabric-rendering-fluids-v1 3.1.2+e761c6694f
           |-- fabric-rendering-v0 1.1.57+df3654b34f
           |-- fabric-rendering-v1 3.2.1+6fd945a04f
           |-- fabric-resource-conditions-api-v1 2.3.15+78d798af4f
           |-- fabric-resource-loader-v0 0.11.21+ee30b13a4f
           |-- fabric-screen-api-v1 2.0.18+78d798af4f
           |-- fabric-screen-handler-api-v1 1.3.57+78d798af4f
           |-- fabric-sound-api-v1 1.0.18+78d798af4f
           |-- fabric-transfer-api-v1 4.0.12+90f2d7b14f
           \-- fabric-transitive-access-wideners-v1 5.0.15+78d798af4f
        - fabricloader 0.16.5
           \-- mixinextras 0.4.1
        - java 23
        - minecraft 1.20.4
        - moremobvariants 1.3.1
[23:48:09] [main/INFO]: SpongePowered MIXIN Subsystem Version=0.8.7 Source=file:/C:/Users/vovci/Desktop/1.20.4%20180924/libraries/net/fabricmc/sponge-mixin/0.15.3+mixin.0.8.7/sponge-mixin-0.15.3+mixin.0.8.7.jar Service=Knot/Fabric Env=SERVER
[23:48:09] [main/INFO]: Compatibility level set to JAVA_17
[23:48:10] [main/WARN]: Error loading class: java/util/Map$Entry (java.lang.IllegalArgumentException: Unsupported class file major version 67)
[23:48:10] [main/WARN]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 67)
[23:48:10] [main/WARN]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 67)
[23:48:10] [main/WARN]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 67)
[23:48:10] [main/WARN]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 67)
[23:48:10] [main/WARN]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 67)
[23:48:10] [main/WARN]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 67)
[23:48:10] [main/WARN]: Error loading class: java/util/Map$Entry (java.lang.IllegalArgumentException: Unsupported class file major version 67)
[23:48:10] [main/WARN]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 67)
[23:48:10] [main/WARN]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 67)
[23:48:10] [main/WARN]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 67)
[23:48:10] [main/WARN]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 67)
[23:48:10] [main/WARN]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 67)
[23:48:10] [main/WARN]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 67)
[23:48:10] [main/WARN]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 67)
[23:48:10] [main/WARN]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 67)
[23:48:10] [main/WARN]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 67)
[23:48:10] [main/WARN]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 67)
[23:48:10] [main/WARN]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 67)
[23:48:10] [main/WARN]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 67)
[23:48:10] [main/WARN]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 67)
[23:48:10] [main/WARN]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 67)
[23:48:10] [main/WARN]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 67)
[23:48:10] [main/WARN]: Error loading class: java/util/Map$Entry (java.lang.IllegalArgumentException: Unsupported class file major version 67)
[23:48:10] [main/WARN]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 67)
[23:48:10] [main/WARN]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 67)
[23:48:10] [main/WARN]: Error loading class: java/util/Map$Entry (java.lang.IllegalArgumentException: Unsupported class file major version 67)
[23:48:10] [main/WARN]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 67)
[23:48:10] [main/WARN]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 67)
[23:48:10] [main/WARN]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 67)
[23:48:10] [main/WARN]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 67)
[23:48:10] [main/WARN]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 67)
[23:48:10] [main/WARN]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 67)
[23:48:10] [main/WARN]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 67)
[23:48:10] [main/WARN]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 67)
[23:48:10] [main/WARN]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 67)
[23:48:10] [main/WARN]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 67)
[23:48:10] [main/WARN]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 67)
[23:48:10] [main/WARN]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 67)
[23:48:10] [main/WARN]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 67)
[23:48:10] [main/WARN]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 67)
[23:48:10] [main/WARN]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 67)
[23:48:10] [main/WARN]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 67)
[23:48:10] [main/WARN]: Error loading class: java/lang/invoke/MethodHandles$Lookup (java.lang.IllegalArgumentException: Unsupported class file major version 67)
[23:48:10] [main/INFO]: Initializing MixinExtras via com.llamalad7.mixinextras.service.MixinExtrasServiceImpl(version=0.4.1).
[23:48:10] [main/WARN]: Error loading class: java/lang/String (java.lang.IllegalArgumentException: Unsupported class file major version 67)
[23:48:10] [main/ERROR]: Mixin apply for mod fabric-data-generation-api-v1 failed fabric-data-generation-api-v1.mixins.json:server.MainMixin from mod fabric-data-generation-api-v1 -> net.minecraft.server.Main: org.spongepowered.asm.mixin.transformer.throwables.InvalidMixinException Unexpecteded ClassMetadataNotFoundException whilst transforming the mixin class: [MAIN Applicator Phase -> fabric-data-generation-api-v1.mixins.json:server.MainMixin from mod fabric-data-generation-api-v1 -> Apply Methods -> ([Ljava/lang/String;Lorg/spongepowered/asm/mixin/injection/callback/CallbackInfo;)V:handler$zbi000$fabric-data-generation-api-v1$main -> Transform LVT -> var=args -> desc=[Ljava/lang/String;]
org.spongepowered.asm.mixin.transformer.throwables.InvalidMixinException: Unexpecteded ClassMetadataNotFoundException whilst transforming the mixin class: [MAIN Applicator Phase -> fabric-data-generation-api-v1.mixins.json:server.MainMixin from mod fabric-data-generation-api-v1 -> Apply Methods -> ([Ljava/lang/String;Lorg/spongepowered/asm/mixin/injection/callback/CallbackInfo;)V:handler$zbi000$fabric-data-generation-api-v1$main -> Transform LVT -> var=args -> desc=[Ljava/lang/String;]
        at org.spongepowered.asm.mixin.transformer.MixinTargetContext.transformMethod(MixinTargetContext.java:520) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
        at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.applyNormalMethod(MixinApplicatorStandard.java:463) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
        at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.applyMethods(MixinApplicatorStandard.java:449) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
        at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.applyMixin(MixinApplicatorStandard.java:308) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
        at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.apply(MixinApplicatorStandard.java:246) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
        at org.spongepowered.asm.mixin.transformer.TargetClassContext.apply(TargetClassContext.java:437) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
        at org.spongepowered.asm.mixin.transformer.TargetClassContext.applyMixins(TargetClassContext.java:418) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
        at org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:363) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
        at org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClass(MixinTransformer.java:234) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
        at org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClassBytes(MixinTransformer.java:202) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
        at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.getPostMixinClassByteArray(KnotClassDelegate.java:422) ~[fabric-loader-0.16.5.jar:?]
        at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.tryLoadClass(KnotClassDelegate.java:323) ~[fabric-loader-0.16.5.jar:?]
        at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.loadClass(KnotClassDelegate.java:218) ~[fabric-loader-0.16.5.jar:?]
        at net.fabricmc.loader.impl.launch.knot.KnotClassLoader.loadClass(KnotClassLoader.java:119) ~[fabric-loader-0.16.5.jar:?]
        at java.lang.ClassLoader.loadClass(ClassLoader.java:528) ~[?:?]
        at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:473) ~[fabric-loader-0.16.5.jar:?]
        at net.fabricmc.loader.impl.launch.knot.Knot.launch(Knot.java:74) ~[fabric-loader-0.16.5.jar:?]
        at net.fabricmc.loader.impl.launch.knot.KnotServer.main(KnotServer.java:23) ~[fabric-loader-0.16.5.jar:?]
        at net.fabricmc.loader.impl.launch.server.FabricServerLauncher.main(FabricServerLauncher.java:69) ~[fabric-loader-0.16.5.jar:?]
Caused by: org.spongepowered.asm.mixin.throwables.ClassMetadataNotFoundException: java.lang.String
        at org.spongepowered.asm.mixin.transformer.MixinTargetContext.transformSingleDescriptor(MixinTargetContext.java:1016) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
        at org.spongepowered.asm.mixin.transformer.MixinTargetContext.transformSingleDescriptor(MixinTargetContext.java:976) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
        at org.spongepowered.asm.mixin.transformer.MixinTargetContext.transformLVT(MixinTargetContext.java:573) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
        at org.spongepowered.asm.mixin.transformer.MixinTargetContext.transformMethod(MixinTargetContext.java:479) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
        ... 18 more
[23:48:10] [main/ERROR]: Uncaught exception in thread "main"
java.lang.RuntimeException: An exception occurred when launching the server!
        at net.fabricmc.loader.impl.launch.server.FabricServerLauncher.main(FabricServerLauncher.java:71) ~[fabric-loader-0.16.5.jar:?]
Caused by: java.lang.RuntimeException: Mixin transformation of net.minecraft.server.Main failed
        at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.getPostMixinClassByteArray(KnotClassDelegate.java:427) ~[fabric-loader-0.16.5.jar:?]
        at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.tryLoadClass(KnotClassDelegate.java:323) ~[fabric-loader-0.16.5.jar:?]
        at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.loadClass(KnotClassDelegate.java:218) ~[fabric-loader-0.16.5.jar:?]
        at net.fabricmc.loader.impl.launch.knot.KnotClassLoader.loadClass(KnotClassLoader.java:119) ~[fabric-loader-0.16.5.jar:?]
        at java.lang.ClassLoader.loadClass(ClassLoader.java:528) ~[?:?]
        at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:473) ~[fabric-loader-0.16.5.jar:?]
        at net.fabricmc.loader.impl.launch.knot.Knot.launch(Knot.java:74) ~[fabric-loader-0.16.5.jar:?]
        at net.fabricmc.loader.impl.launch.knot.KnotServer.main(KnotServer.java:23) ~[fabric-loader-0.16.5.jar:?]
        at net.fabricmc.loader.impl.launch.server.FabricServerLauncher.main(FabricServerLauncher.java:69) ~[fabric-loader-0.16.5.jar:?]
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) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
        at org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClass(MixinTransformer.java:234) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
        at org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClassBytes(MixinTransformer.java:202) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
        at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.getPostMixinClassByteArray(KnotClassDelegate.java:422) ~[fabric-loader-0.16.5.jar:?]
        at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.tryLoadClass(KnotClassDelegate.java:323) ~[fabric-loader-0.16.5.jar:?]
        at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.loadClass(KnotClassDelegate.java:218) ~[fabric-loader-0.16.5.jar:?]
        at net.fabricmc.loader.impl.launch.knot.KnotClassLoader.loadClass(KnotClassLoader.java:119) ~[fabric-loader-0.16.5.jar:?]
        at java.lang.ClassLoader.loadClass(ClassLoader.java:528) ~[?:?]
        at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:473) ~[fabric-loader-0.16.5.jar:?]
        at net.fabricmc.loader.impl.launch.knot.Knot.launch(Knot.java:74) ~[fabric-loader-0.16.5.jar:?]
        at net.fabricmc.loader.impl.launch.knot.KnotServer.main(KnotServer.java:23) ~[fabric-loader-0.16.5.jar:?]
        at net.fabricmc.loader.impl.launch.server.FabricServerLauncher.main(FabricServerLauncher.java:69) ~[fabric-loader-0.16.5.jar:?]
Caused by: org.spongepowered.asm.mixin.throwables.MixinApplyError: Mixin [fabric-data-generation-api-v1.mixins.json:server.MainMixin from mod fabric-data-generation-api-v1] from phase [DEFAULT] in config [fabric-data-generation-api-v1.mixins.json] FAILED during APPLY
        at org.spongepowered.asm.mixin.transformer.MixinProcessor.handleMixinError(MixinProcessor.java:638) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
        at org.spongepowered.asm.mixin.transformer.MixinProcessor.handleMixinApplyError(MixinProcessor.java:589) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
        at org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:379) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
        at org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClass(MixinTransformer.java:234) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
        at org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClassBytes(MixinTransformer.java:202) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
        at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.getPostMixinClassByteArray(KnotClassDelegate.java:422) ~[fabric-loader-0.16.5.jar:?]
        at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.tryLoadClass(KnotClassDelegate.java:323) ~[fabric-loader-0.16.5.jar:?]
        at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.loadClass(KnotClassDelegate.java:218) ~[fabric-loader-0.16.5.jar:?]
        at net.fabricmc.loader.impl.launch.knot.KnotClassLoader.loadClass(KnotClassLoader.java:119) ~[fabric-loader-0.16.5.jar:?]
        at java.lang.ClassLoader.loadClass(ClassLoader.java:528) ~[?:?]
        at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:473) ~[fabric-loader-0.16.5.jar:?]
        at net.fabricmc.loader.impl.launch.knot.Knot.launch(Knot.java:74) ~[fabric-loader-0.16.5.jar:?]
        at net.fabricmc.loader.impl.launch.knot.KnotServer.main(KnotServer.java:23) ~[fabric-loader-0.16.5.jar:?]
        at net.fabricmc.loader.impl.launch.server.FabricServerLauncher.main(FabricServerLauncher.java:69) ~[fabric-loader-0.16.5.jar:?]
Caused by: org.spongepowered.asm.mixin.transformer.throwables.InvalidMixinException: Unexpecteded ClassMetadataNotFoundException whilst transforming the mixin class: [MAIN Applicator Phase -> fabric-data-generation-api-v1.mixins.json:server.MainMixin from mod fabric-data-generation-api-v1 -> Apply Methods -> ([Ljava/lang/String;Lorg/spongepowered/asm/mixin/injection/callback/CallbackInfo;)V:handler$zbi000$fabric-data-generation-api-v1$main -> Transform LVT -> var=args -> desc=[Ljava/lang/String;]
        at org.spongepowered.asm.mixin.transformer.MixinTargetContext.transformMethod(MixinTargetContext.java:520) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
        at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.applyNormalMethod(MixinApplicatorStandard.java:463) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
        at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.applyMethods(MixinApplicatorStandard.java:449) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
        at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.applyMixin(MixinApplicatorStandard.java:308) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
        at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.apply(MixinApplicatorStandard.java:246) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
        at org.spongepowered.asm.mixin.transformer.TargetClassContext.apply(TargetClassContext.java:437) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
        at org.spongepowered.asm.mixin.transformer.TargetClassContext.applyMixins(TargetClassContext.java:418) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
        at org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:363) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
        at org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClass(MixinTransformer.java:234) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
        at org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClassBytes(MixinTransformer.java:202) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
        at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.getPostMixinClassByteArray(KnotClassDelegate.java:422) ~[fabric-loader-0.16.5.jar:?]
        at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.tryLoadClass(KnotClassDelegate.java:323) ~[fabric-loader-0.16.5.jar:?]
        at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.loadClass(KnotClassDelegate.java:218) ~[fabric-loader-0.16.5.jar:?]
        at net.fabricmc.loader.impl.launch.knot.KnotClassLoader.loadClass(KnotClassLoader.java:119) ~[fabric-loader-0.16.5.jar:?]
        at java.lang.ClassLoader.loadClass(ClassLoader.java:528) ~[?:?]
        at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:473) ~[fabric-loader-0.16.5.jar:?]
        at net.fabricmc.loader.impl.launch.knot.Knot.launch(Knot.java:74) ~[fabric-loader-0.16.5.jar:?]
        at net.fabricmc.loader.impl.launch.knot.KnotServer.main(KnotServer.java:23) ~[fabric-loader-0.16.5.jar:?]
        at net.fabricmc.loader.impl.launch.server.FabricServerLauncher.main(FabricServerLauncher.java:69) ~[fabric-loader-0.16.5.jar:?]
Caused by: org.spongepowered.asm.mixin.throwables.ClassMetadataNotFoundException: java.lang.String
        at org.spongepowered.asm.mixin.transformer.MixinTargetContext.transformSingleDescriptor(MixinTargetContext.java:1016) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
        at org.spongepowered.asm.mixin.transformer.MixinTargetContext.transformSingleDescriptor(MixinTargetContext.java:976) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
        at org.spongepowered.asm.mixin.transformer.MixinTargetContext.transformLVT(MixinTargetContext.java:573) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
        at org.spongepowered.asm.mixin.transformer.MixinTargetContext.transformMethod(MixinTargetContext.java:479) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
        at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.applyNormalMethod(MixinApplicatorStandard.java:463) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
        at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.applyMethods(MixinApplicatorStandard.java:449) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
        at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.applyMixin(MixinApplicatorStandard.java:308) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
        at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.apply(MixinApplicatorStandard.java:246) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
        at org.spongepowered.asm.mixin.transformer.TargetClassContext.apply(TargetClassContext.java:437) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
        at org.spongepowered.asm.mixin.transformer.TargetClassContext.applyMixins(TargetClassContext.java:418) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
        at org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:363) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
        at org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClass(MixinTransformer.java:234) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
        at org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClassBytes(MixinTransformer.java:202) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
        at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.getPostMixinClassByteArray(KnotClassDelegate.java:422) ~[fabric-loader-0.16.5.jar:?]
        at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.tryLoadClass(KnotClassDelegate.java:323) ~[fabric-loader-0.16.5.jar:?]
        at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.loadClass(KnotClassDelegate.java:218) ~[fabric-loader-0.16.5.jar:?]
        at net.fabricmc.loader.impl.launch.knot.KnotClassLoader.loadClass(KnotClassLoader.java:119) ~[fabric-loader-0.16.5.jar:?]
        at java.lang.ClassLoader.loadClass(ClassLoader.java:528) ~[?:?]
        at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:473) ~[fabric-loader-0.16.5.jar:?]
        at net.fabricmc.loader.impl.launch.knot.Knot.launch(Knot.java:74) ~[fabric-loader-0.16.5.jar:?]
        at net.fabricmc.loader.impl.launch.knot.KnotServer.main(KnotServer.java:23) ~[fabric-loader-0.16.5.jar:?]
        at net.fabricmc.loader.impl.launch.server.FabricServerLauncher.main(FabricServerLauncher.java:69) ~[fabric-loader-0.16.5.jar:?]

 C:\Users\vovci\Desktop\1.20.4 180924>pause

 Press any key to continue . . . 
commented

JDK 23 won't work.

commented

Duplicate of: FabricMC/fabric-loader#976
Being worked on here: FabricMC/Mixin#158

commented

You should be using Java 17 on MC 1.20.4.