Crash on server start

[main/FATAL]: Mixin prepare failed preparing BlockMixin in vanilladeathchest.mixins.json: org.spongepowered.asm.mixin.transformer.throwables.InvalidMixinException The specified mixin 'com.therandomlabs.vanilladeathchest.mixin.BlockMixin' was not found org.spongepowered.asm.mixin.transformer.throwables.InvalidMixinException: The specified mixin 'com.therandomlabs.vanilladeathchest.mixin.BlockMixin' was not found at org.spongepowered.asm.mixin.transformer.MixinInfo.<init>(MixinInfo.java:855) ~[fabric-server-launch.jar:?] at org.spongepowered.asm.mixin.transformer.MixinConfig.prepareMixins(MixinConfig.java:715) ~[fabric-server-launch.jar:?] at org.spongepowered.asm.mixin.transformer.MixinConfig.prepare(MixinConfig.java:648) ~[fabric-server-launch.jar:?] at org.spongepowered.asm.mixin.transformer.MixinProcessor.prepareConfigs(MixinProcessor.java:514) [fabric-server-launch.jar:?] at org.spongepowered.asm.mixin.transformer.MixinProcessor.select(MixinProcessor.java:439) [fabric-server-launch.jar:?] at org.spongepowered.asm.mixin.transformer.MixinProcessor.checkSelect(MixinProcessor.java:415) [fabric-server-launch.jar:?] at org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:285) [fabric-server-launch.jar:?] at org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClass(MixinTransformer.java:208) [fabric-server-launch.jar:?] at org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClassBytes(MixinTransformer.java:178) [fabric-server-launch.jar:?] at org.spongepowered.asm.mixin.transformer.FabricMixinTransformerProxy.transformClassBytes(FabricMixinTransformerProxy.java:23) [fabric-server-launch.jar:?] at net.fabricmc.loader.launch.knot.KnotClassDelegate.getPostMixinClassByteArray(KnotClassDelegate.java:157) [fabric-server-launch.jar:?] at net.fabricmc.loader.launch.knot.KnotClassLoader.loadClass(KnotClassLoader.java:150) [fabric-server-launch.jar:?] at java.lang.ClassLoader.loadClass(ClassLoader.java:1108) [?:?] at java.lang.Class.forNameImpl(Native Method) [?:?] at java.lang.Class.forName(Class.java:420) [?:?] at net.fabricmc.loader.util.DefaultLanguageAdapter.create(DefaultLanguageAdapter.java:45) [fabric-server-launch.jar:?] at net.fabricmc.loader.EntrypointStorage$NewEntry.create(EntrypointStorage.java:112) [fabric-server-launch.jar:?] at net.fabricmc.loader.EntrypointStorage$NewEntry.getOrCreate(EntrypointStorage.java:99) [fabric-server-launch.jar:?] at net.fabricmc.loader.EntrypointStorage.lambda$getEntrypointContainers$1(EntrypointStorage.java:184) [fabric-server-launch.jar:?] at net.fabricmc.loader.EntrypointStorage$$Lambda$183/0x0000000015966160.get(Unknown Source) [fabric-server-launch.jar:?] at net.fabricmc.loader.entrypoint.EntrypointContainerImpl.getEntrypoint(EntrypointContainerImpl.java:37) [fabric-server-launch.jar:?] at net.fabricmc.loader.entrypoint.minecraft.hooks.EntrypointUtils.invoke0(EntrypointUtils.java:50) [fabric-server-launch.jar:?] at net.fabricmc.loader.entrypoint.minecraft.hooks.EntrypointUtils.invoke(EntrypointUtils.java:36) [fabric-server-launch.jar:?] at net.fabricmc.loader.launch.knot.Knot.init(Knot.java:137) [fabric-server-launch.jar:?] at net.fabricmc.loader.launch.knot.KnotServer.main(KnotServer.java:28) [fabric-server-launch.jar:?] at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?] at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:64) ~[?:?] at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?] at java.lang.reflect.Method.invoke(Method.java:564) ~[?:?] at net.fabricmc.loader.launch.server.FabricServerLauncher.launch(FabricServerLauncher.java:62) [fabric-server-launch.jar:?] at net.fabricmc.loader.launch.server.FabricServerLauncher.setup(FabricServerLauncher.java:106) [fabric-server-launch.jar:?] at net.fabricmc.loader.launch.server.FabricServerLauncher.main(FabricServerLauncher.java:50) [fabric-server-launch.jar:?] Caused by: java.lang.ClassNotFoundException: The specified mixin 'com.therandomlabs.vanilladeathchest.mixin.BlockMixin' was not found at org.spongepowered.asm.mixin.transformer.MixinInfo.loadMixinClass(MixinInfo.java:1297) ~[fabric-server-launch.jar:?] at org.spongepowered.asm.mixin.transformer.MixinInfo.<init>(MixinInfo.java:848) ~[fabric-server-launch.jar:?] ... 31 more