1.20.1 Warn

[Krimatoria]

Maybe it's not that important, but maybe it's a mistake?

[23:06:31] [modloading-worker-0/WARN] [or.ar.ex.ExtraSounds/]: [ExtraSounds] Unexpected annotation was found.
java.lang.annotation.AnnotationFormatError: Class 'org.arbor.extrasounds.sounds.Mixers' has a duplicate member with annotation value 'master'!
at org.arbor.extrasounds.ExtraSounds.initCategoryLoader(ExtraSounds.java:151) ~[extrasounds-1.20.1-forge-1.3.jar%23737!/:?] {re:mixin,re:classloading}
at org.arbor.extrasounds.ExtraSounds.(ExtraSounds.java:64) ~[extrasounds-1.20.1-forge-1.3.jar%23737!/:?] {re:mixin,re:classloading}
at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:?] {}
at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) ~[?:?] {}
at jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) ~[?:?] {}
at java.lang.reflect.Constructor.newInstanceWithCaller(Unknown Source) ~[?:?] {}
at java.lang.reflect.Constructor.newInstance(Unknown Source) ~[?:?] {}
at net.minecraftforge.fml.javafmlmod.FMLModContainer.constructMod(FMLModContainer.java:77) ~[javafmllanguage-1.20.1-47.3.22.jar%231004!/:?] {}
at net.minecraftforge.fml.ModContainer.lambda$buildTransitionHandler$4(ModContainer.java:124) ~[fmlcore-1.20.1-47.3.22.jar%231003!/:?] {re:mixin}
at java.util.concurrent.CompletableFuture$AsyncRun.run(Unknown Source) ~[?:?] {}
at java.util.concurrent.CompletableFuture$AsyncRun.exec(Unknown Source) ~[?:?] {}
at java.util.concurrent.ForkJoinTask.doExec(Unknown Source) ~[?:?] {}
at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(Unknown Source) ~[?:?] {}
at java.util.concurrent.ForkJoinPool.scan(Unknown Source) ~[?:?] {re:mixin,re:computing_frames}
at java.util.concurrent.ForkJoinPool.runWorker(Unknown Source) ~[?:?] {re:mixin,re:computing_frames}
at java.util.concurrent.ForkJoinWorkerThread.run(Unknown Source) ~[?:?] {re:mixin}