[08:01:30] [Worker-ResourceReload-0/ERROR]: Caught exception in thread Thread[#178,Worker-ResourceReload-0,8,main]
java.lang.NoClassDefFoundError: net/minecraft/client/gui/tab/Tab
        at java.base/java.lang.ClassLoader.defineClass1(Native Method) ~[?:?]
        at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1026) ~[?:?]
        at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:150) ~[?:?]
        at net.fabricmc.loader.impl.launch.knot.KnotClassLoader.defineClassFwd(KnotClassLoader.java:160) ~[fabric-loader-0.16.10.jar:?]
        at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.tryLoadClass(KnotClassDelegate.java:355) ~[fabric-loader-0.16.10.jar:?]
        at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.loadClass(KnotClassDelegate.java:218) ~[fabric-loader-0.16.10.jar:?]
        at net.fabricmc.loader.impl.launch.knot.KnotClassLoader.loadClass(KnotClassLoader.java:119) ~[fabric-loader-0.16.10.jar:?]
        at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:528) ~[?:?]
        at java.base/java.lang.ClassLoader.defineClass1(Native Method) ~[?:?]
        at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1026) ~[?:?]
        at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:150) ~[?:?]
        at net.fabricmc.loader.impl.launch.knot.KnotClassLoader.defineClassFwd(KnotClassLoader.java:160) ~[fabric-loader-0.16.10.jar:?]
        at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.tryLoadClass(KnotClassDelegate.java:355) ~[fabric-loader-0.16.10.jar:?]
        at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.loadClass(KnotClassDelegate.java:218) ~[fabric-loader-0.16.10.jar:?]
        at net.fabricmc.loader.impl.launch.knot.KnotClassLoader.loadClass(KnotClassLoader.java:119) ~[fabric-loader-0.16.10.jar:?]
        at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:528) ~[?:?]
        at java.base/java.lang.Class.forName0(Native Method) ~[?:?]
        at java.base/java.lang.Class.forName(Class.java:578) ~[?:?]
        at java.base/java.lang.Class.forName(Class.java:557) ~[?:?]
        at net.fabricmc.loader.impl.launch.knot.MixinServiceKnot.findClass(MixinServiceKnot.java:101) ~[fabric-loader-0.16.10.jar:?]
        at org.spongepowered.asm.mixin.transformer.MixinProcessor.audit(MixinProcessor.java:254) ~[sponge-mixin-0.15.4+mixin.0.8.7.jar:0.15.4+mixin.0.8.7]
        at org.spongepowered.asm.mixin.transformer.MixinTransformer.audit(MixinTransformer.java:171) ~[sponge-mixin-0.15.4+mixin.0.8.7.jar:0.15.4+mixin.0.8.7]
        at org.spongepowered.asm.mixin.MixinEnvironment.audit(MixinEnvironment.java:1677) ~[sponge-mixin-0.15.4+mixin.0.8.7.jar:0.15.4+mixin.0.8.7]
        at knot/org.embeddedt.modernfix.util.ClassInfoManager.doClear(ClassInfoManager.java:70) ~[modernfix-fabric-5.20.3+mc1.21.4.jar:?]
        at java.base/java.util.concurrent.ForkJoinTask$RunnableExecuteAction.compute(ForkJoinTask.java:1726) ~[?:?]
        at java.base/java.util.concurrent.ForkJoinTask$RunnableExecuteAction.compute(ForkJoinTask.java:1717) ~[?:?]
        at java.base/java.util.concurrent.ForkJoinTask$InterruptibleTask.exec(ForkJoinTask.java:1641) ~[?:?]
        at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:507) [?:?]
        at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1460) [?:?]
        at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:2036) [?:?]
        at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:189) [?:?]
Caused by: java.lang.ClassNotFoundException: net.minecraft.client.gui.tab.Tab
        at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:641) ~[?:?]
        at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:528) ~[?:?]
        at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.loadClass(KnotClassDelegate.java:226) ~[fabric-loader-0.16.10.jar:?]
        at net.fabricmc.loader.impl.launch.knot.KnotClassLoader.loadClass(KnotClassLoader.java:119) ~[fabric-loader-0.16.10.jar:?]
        at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:528) ~[?:?]
        ... 31 more