[14:26:53] [main/FATAL]: Mixin prepare failed preparing ExampleMixin in modid.mixins.json: org.spongepowered.asm.mixin.transformer.throwables.InvalidMixinException The specified mixin 'net.fabricmc.example.mixin.ExampleMixin' was not found
org.spongepowered.asm.mixin.transformer.throwables.InvalidMixinException: The specified mixin 'net.fabricmc.example.mixin.ExampleMixin' was not found
at org.spongepowered.asm.mixin.transformer.MixinInfo.(MixinInfo.java:855) ~[sponge-mixin-0.8.1+build.21.jar:0.8.1+build.21+unknown-b21.git-unknown]
at org.spongepowered.asm.mixin.transformer.MixinConfig.prepareMixins(MixinConfig.java:715) ~[sponge-mixin-0.8.1+build.21.jar:0.8.1+build.21+unknown-b21.git-unknown]
at org.spongepowered.asm.mixin.transformer.MixinConfig.prepare(MixinConfig.java:652) ~[sponge-mixin-0.8.1+build.21.jar:0.8.1+build.21+unknown-b21.git-unknown]
at org.spongepowered.asm.mixin.transformer.MixinProcessor.prepareConfigs(MixinProcessor.java:515) [sponge-mixin-0.8.1+build.21.jar:0.8.1+build.21+unknown-b21.git-unknown]
at org.spongepowered.asm.mixin.transformer.MixinProcessor.select(MixinProcessor.java:440) [sponge-mixin-0.8.1+build.21.jar:0.8.1+build.21+unknown-b21.git-unknown]
at org.spongepowered.asm.mixin.transformer.MixinProcessor.checkSelect(MixinProcessor.java:416) [sponge-mixin-0.8.1+build.21.jar:0.8.1+build.21+unknown-b21.git-unknown]
at org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:285) [sponge-mixin-0.8.1+build.21.jar:0.8.1+build.21+unknown-b21.git-unknown]
at org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClass(MixinTransformer.java:191) [sponge-mixin-0.8.1+build.21.jar:0.8.1+build.21+unknown-b21.git-unknown]
at org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClassBytes(MixinTransformer.java:178) [sponge-mixin-0.8.1+build.21.jar:0.8.1+build.21+unknown-b21.git-unknown]
at org.spongepowered.asm.mixin.transformer.FabricMixinTransformerProxy.transformClassBytes(FabricMixinTransformerProxy.java:23) [fabric-loader-0.9.2+build.206.jar:0.8.1+build.21+unknown-b21.git-unknown]
at net.fabricmc.loader.launch.knot.KnotClassDelegate.getPostMixinClassByteArray(KnotClassDelegate.java:157) [fabric-loader-0.9.2+build.206.jar:?]
at net.fabricmc.loader.launch.knot.KnotClassLoader.loadClass(KnotClassLoader.java:143) [fabric-loader-0.9.2+build.206.jar:?]
at java.lang.ClassLoader.loadClass(ClassLoader.java:522) [?:?]
at java.lang.Class.forName0(Native Method) ~[?:?]
at java.lang.Class.forName(Class.java:427) [?:?]
at net.fabricmc.loader.util.DefaultLanguageAdapter.create(DefaultLanguageAdapter.java:45) [fabric-loader-0.9.2+build.206.jar:?]
at net.fabricmc.loader.EntrypointStorage$NewEntry.create(EntrypointStorage.java:114) [fabric-loader-0.9.2+build.206.jar:?]
at net.fabricmc.loader.EntrypointStorage$NewEntry.getOrCreate(EntrypointStorage.java:101) [fabric-loader-0.9.2+build.206.jar:?]
at net.fabricmc.loader.EntrypointStorage.getEntrypointContainers(EntrypointStorage.java:186) [fabric-loader-0.9.2+build.206.jar:?]
at net.fabricmc.loader.FabricLoader.getEntrypointContainers(FabricLoader.java:251) [fabric-loader-0.9.2+build.206.jar:?]
at net.fabricmc.loader.entrypoint.minecraft.hooks.EntrypointUtils.invoke0(EntrypointUtils.java:44) [fabric-loader-0.9.2+build.206.jar:?]
at net.fabricmc.loader.entrypoint.minecraft.hooks.EntrypointUtils.invoke(EntrypointUtils.java:36) [fabric-loader-0.9.2+build.206.jar:?]
at net.fabricmc.loader.launch.knot.Knot.init(Knot.java:138) [fabric-loader-0.9.2+build.206.jar:?]
at net.fabricmc.loader.launch.knot.KnotClient.main(KnotClient.java:26) [fabric-loader-0.9.2+build.206.jar:?]
Caused by: java.lang.ClassNotFoundException: The specified mixin 'net.fabricmc.example.mixin.ExampleMixin' was not found
at org.spongepowered.asm.mixin.transformer.MixinInfo.loadMixinClass(MixinInfo.java:1297) ~[sponge-mixin-0.8.1+build.21.jar:0.8.1+build.21+unknown-b21.git-unknown]
at org.spongepowered.asm.mixin.transformer.MixinInfo.(MixinInfo.java:848) ~[sponge-mixin-0.8.1+build.21.jar:0.8.1+build.21+unknown-b21.git-unknown]
... 23 more

I don't see anything related to ExampleMixin in the json file, quite perculiar

full log as such
latest.log

It looks like you have 159 mods installed. Can you please try just using this mod with fabric-api to confirm that this is the mod causing the crash?

It looks like you have 159 mods installed. Can you please try just using this mod with fabric-api to confirm that this is the mod causing the crash?

It worked, weird. I'll try to find which mod is causing the conflict

It was Vanilla Ingredients Cooking Expanded causing the conflict. Sorry for the problem.