um... what?

conflict

Can you be more specific?

[11:59:13] [main/WARN]: @reDIrect conflict. Skipping noexpensive.mixins.json:AnvilScreenHandlerMixin from mod noexpensive->@reDIrect::getMaxLevel(Lnet/minecraft/class_1887;)I with priority 1000, already redirected by mixins.anvil_fix.json:common.MixinAnvilContainer from mod anvil_fix->@reDIrect::getMaximumLevelProxy(Lnet/minecraft/class_1887;)I with priority 1000
[11:59:13] [main/WARN]: @reDIrect conflict. Skipping noexpensive.mixins.json:AnvilScreenHandlerMixin from mod noexpensive->@reDIrect::getMaxLevel(Lnet/minecraft/class_1887;)I with priority 1000, already redirected by mixins.anvil_fix.json:common.MixinAnvilContainer from mod anvil_fix->@reDIrect::getMaximumLevelProxy(Lnet/minecraft/class_1887;)I with priority 1000
[11:59:13] [main/ERROR]: Minecraft has crashed!
net.fabricmc.loader.impl.FormattedException: java.lang.ExceptionInInitializerError
at net.fabricmc.loader.impl.FormattedException.ofLocalized(FormattedException.java:63) ~[fabric-loader-0.16.4.jar:?]
at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:482) ~[fabric-loader-0.16.4.jar:?]
at net.fabricmc.loader.impl.launch.knot.Knot.launch(Knot.java:74) ~[fabric-loader-0.16.4.jar:?]
at net.fabricmc.loader.impl.launch.knot.KnotClient.main(KnotClient.java:23) ~[fabric-loader-0.16.4.jar:?]
Caused by: java.lang.ExceptionInInitializerError
at net.minecraft.class_2358.method_10199(class_2358.java:326) ~[client-intermediary.jar:?]
at net.minecraft.class_2966.method_12851(class_2966.java:54) ~[client-intermediary.jar:?]
at net.minecraft.client.main.Main.main(Main.java:166) ~[1.20.1.jar:?]
at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:480) ~[fabric-loader-0.16.4.jar:?]
... 2 more
Caused by: java.lang.RuntimeException: Mixin transformation of net.minecraft.class_1706 failed
at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.getPostMixinClassByteArray(KnotClassDelegate.java:427) ~[fabric-loader-0.16.4.jar:?]
at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.tryLoadClass(KnotClassDelegate.java:323) ~[fabric-loader-0.16.4.jar:?]
at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.loadClass(KnotClassDelegate.java:218) ~[fabric-loader-0.16.4.jar:?]
at net.fabricmc.loader.impl.launch.knot.KnotClassLoader.loadClass(KnotClassLoader.java:119) ~[fabric-loader-0.16.4.jar:?]
at java.lang.ClassLoader.loadClass(ClassLoader.java:525) ~[?:?]
at net.minecraft.class_2246.(class_2246.java:554) ~[client-intermediary.jar:?]
at net.minecraft.class_2358.method_10199(class_2358.java:326) ~[client-intermediary.jar:?]
at net.minecraft.class_2966.method_12851(class_2966.java:54) ~[client-intermediary.jar:?]
at net.minecraft.client.main.Main.main(Main.java:166) ~[1.20.1.jar:?]
at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:480) ~[fabric-loader-0.16.4.jar:?]
... 2 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) ~[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-0.16.4.jar:?]
at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.tryLoadClass(KnotClassDelegate.java:323) ~[fabric-loader-0.16.4.jar:?]
at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.loadClass(KnotClassDelegate.java:218) ~[fabric-loader-0.16.4.jar:?]
at net.fabricmc.loader.impl.launch.knot.KnotClassLoader.loadClass(KnotClassLoader.java:119) ~[fabric-loader-0.16.4.jar:?]
at java.lang.ClassLoader.loadClass(ClassLoader.java:525) ~[?:?]
at net.minecraft.class_2246.(class_2246.java:554) ~[client-intermediary.jar:?]
at net.minecraft.class_2358.method_10199(class_2358.java:326) ~[client-intermediary.jar:?]
at net.minecraft.class_2966.method_12851(class_2966.java:54) ~[client-intermediary.jar:?]
at net.minecraft.client.main.Main.main(Main.java:166) ~[1.20.1.jar:?]
at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:480) ~[fabric-loader-0.16.4.jar:?]
... 2 more
Caused by: org.spongepowered.asm.mixin.injection.throwables.InjectionError: Critical injection failure: Redirector getMaxLevel(Lnet/minecraft/class_1887;)I in noexpensive.mixins.json:AnvilScreenHandlerMixin from mod noexpensive failed injection check, (0/1) succeeded. Scanned 0 target(s). Using refmap NE-refmap.json
at org.spongepowered.asm.mixin.injection.struct.InjectionInfo.postInject(InjectionInfo.java:531) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
at org.spongepowered.asm.mixin.transformer.MixinTargetContext.applyInjections(MixinTargetContext.java:1490) ~[sponge-mixin-0.15.3+mixin.0.8.7.jar:0.15.3+mixin.0.8.7]
at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.applyInjections(MixinApplicatorStandard.java:752) ~[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:330) ~[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-0.16.4.jar:?]
at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.tryLoadClass(KnotClassDelegate.java:323) ~[fabric-loader-0.16.4.jar:?]
at net.fabricmc.loader.impl.launch.knot.KnotClassDelegate.loadClass(KnotClassDelegate.java:218) ~[fabric-loader-0.16.4.jar:?]
at net.fabricmc.loader.impl.launch.knot.KnotClassLoader.loadClass(KnotClassLoader.java:119) ~[fabric-loader-0.16.4.jar:?]
at java.lang.ClassLoader.loadClass(ClassLoader.java:525) ~[?:?]
at net.minecraft.class_2246.(class_2246.java:554) ~[client-intermediary.jar:?]
at net.minecraft.class_2358.method_10199(class_2358.java:326) ~[client-intermediary.jar:?]
at net.minecraft.class_2966.method_12851(class_2966.java:54) ~[client-intermediary.jar:?]
at net.minecraft.client.main.Main.main(Main.java:166) ~[1.20.1.jar:?]
at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:480) ~[fabric-loader-0.16.4.jar:?]
... 2 more