cant load up minecraft 1.20.4 even with no mods, remapping issue?

[Improvingtime50]

Exception caught from launcher
java.lang.RuntimeException: Unfixable conflicts
at net.fabricmc.tinyremapper.TinyRemapper.handleConflicts(TinyRemapper.java:867)
at net.fabricmc.tinyremapper.TinyRemapper.propagate(TinyRemapper.java:767)
at net.fabricmc.tinyremapper.TinyRemapper.mrjRefresh(TinyRemapper.java:1046)
at net.fabricmc.tinyremapper.TinyRemapper.apply(TinyRemapper.java:898)
at net.fabricmc.loader.impl.game.GameProviderHelper.deobfuscate0(GameProviderHelper.java:304)
at net.fabricmc.loader.impl.game.GameProviderHelper.deobfuscate(GameProviderHelper.java:238)
at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.initialize(MinecraftGameProvider.java:321)
at net.fabricmc.loader.impl.launch.knot.Knot.init(Knot.java:140)
at net.fabricmc.loader.impl.launch.knot.Knot.launch(Knot.java:68)
at net.fabricmc.loader.impl.launch.knot.KnotClient.main(KnotClient.java:23)
at org.prismlauncher.launcher.impl.StandardLauncher.launch(StandardLauncher.java:87)
at org.prismlauncher.EntryPoint.listen(EntryPoint.java:130)
at org.prismlauncher.EntryPoint.main(EntryPoint.java:70)
Exiting with ERROR

[Linguardium]

edit the instance
choose version
click Intermediary Mappings
click the remove button

verify the mods tag does not list any mods in it