i have an error going "Uncaught exception in thread "main"
java.lang.RuntimeException: Error creating Mixin config custom_blocks.mixins.json for mod custom_blocks
at net.fabricmc.loader.impl.launch.FabricMixinBootstrap.init(FabricMixinBootstrap.java:96)
at net.fabricmc.loader.impl.launch.knot.Knot.init(Knot.java:151)
at net.fabricmc.loader.impl.launch.knot.Knot.launch(Knot.java:68)
at net.fabricmc.loader.impl.launch.knot.KnotClient.main(KnotClient.java:23)
Caused by: org.spongepowered.asm.launch.MixinInitialisationError: Error initialising mixin config custom_blocks.mixins.json
at org.spongepowered.asm.mixin.transformer.Config.create(Config.java:168)
at org.spongepowered.asm.mixin.Mixins.createConfiguration(Mixins.java:121)
at org.spongepowered.asm.mixin.Mixins.addConfiguration(Mixins.java:108)
at org.spongepowered.asm.mixin.Mixins.addConfiguration(Mixins.java:98)
at net.fabricmc.loader.impl.launch.FabricMixinBootstrap.init(FabricMixinBootstrap.java:94)
... 3 more
Caused by: java.lang.IllegalArgumentException: The requested compatibility level JAVA_16 could not be set. Level is not supported by the active JRE or ASM version (Java 1.8, ASM 9.6 (ASM10_EXPERIMENTAL))
at org.spongepowered.asm.mixin.MixinEnvironment.setCompatibilityLevel(MixinEnvironment.java:1822)
at org.spongepowered.asm.mixin.transformer.MixinConfig.initCompatibilityLevel(MixinConfig.java:606)
at org.spongepowered.asm.mixin.transformer.MixinConfig.postInit(MixinConfig.java:551)
at org.spongepowered.asm.mixin.transformer.MixinConfig.onLoad(MixinConfig.java:479)
at org.spongepowered.asm.mixin.transformer.MixinConfig.create(MixinConfig.java:1398)
at org.spongepowered.asm.mixin.transformer.Config.create(Config.java:163)
... 7 more"