Crash on loading

[MesterDavid]

Uncaught exception in thread "main"
java.lang.RuntimeException: Failed to read classTweaker file from mod lightoverlay
at net.fabricmc.loader.impl.FabricLoaderImpl.loadClassTweakers(FabricLoaderImpl.java:534)
at net.fabricmc.loader.impl.launch.knot.Knot.init(Knot.java:145)
at net.fabricmc.loader.impl.launch.knot.Knot.launch(Knot.java:66)
at net.fabricmc.loader.impl.launch.knot.KnotClient.main(KnotClient.java:23)
Caused by: net.fabricmc.loader.impl.lib.classtweaker.reader.ClassTweakerFormatException: line 1: Namespace (named) does not match current runtime namespace (intermediary)
at net.fabricmc.loader.impl.lib.classtweaker.reader.ClassTweakerReaderImpl.error(ClassTweakerReaderImpl.java:305)
at net.fabricmc.loader.impl.lib.classtweaker.reader.ClassTweakerReaderImpl.read(ClassTweakerReaderImpl.java:93)
at net.fabricmc.loader.impl.FabricLoaderImpl.loadClassTweakers(FabricLoaderImpl.java:532)
... 3 more