Can't load the plugin on Folia

[qbasty]

Describe the bug

[12:27:41 ERROR]: [DirectoryProviderSource] Error loading plugin: File 'plugins/hexnicks-3.1.1.jar' failed to load!
java.lang.RuntimeException: File 'plugins/hexnicks-3.1.1.jar' failed to load!
        at io.papermc.paper.plugin.provider.source.FileProviderSource.registerProviders(FileProviderSource.java:59) ~[kaiiju-1.19.4.jar:git-Kaiiju-"f8a95fc"]
        at io.papermc.paper.plugin.provider.source.DirectoryProviderSource.lambda$registerProviders$2(DirectoryProviderSource.java:32) ~[kaiiju-1.19.4.jar:git-Kaiiju-"f8a95fc"]
        at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(Unknown Source) ~[?:?]
        at java.util.stream.ReferencePipeline$2$1.accept(Unknown Source) ~[?:?]
        at java.util.stream.ReferencePipeline$3$1.accept(Unknown Source) ~[?:?]
        at java.util.Iterator.forEachRemaining(Unknown Source) ~[?:?]
        at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Unknown Source) ~[?:?]
        at java.util.stream.AbstractPipeline.copyInto(Unknown Source) ~[?:?]
        at java.util.stream.AbstractPipeline.wrapAndCopyInto(Unknown Source) ~[?:?]
        at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(Unknown Source) ~[?:?]
        at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(Unknown Source) ~[?:?]
        at java.util.stream.AbstractPipeline.evaluate(Unknown Source) ~[?:?]
        at java.util.stream.ReferencePipeline.forEach(Unknown Source) ~[?:?]
        at io.papermc.paper.plugin.provider.source.DirectoryProviderSource.registerProviders(DirectoryProviderSource.java:30) ~[kaiiju-1.19.4.jar:git-Kaiiju-"f8a95fc"]
        at io.papermc.paper.plugin.provider.source.DirectoryProviderSource.registerProviders(DirectoryProviderSource.java:14) ~[kaiiju-1.19.4.jar:git-Kaiiju-"f8a95fc"]
        at io.papermc.paper.plugin.util.EntrypointUtil.registerProvidersFromSource(EntrypointUtil.java:14) ~[kaiiju-1.19.4.jar:git-Kaiiju-"f8a95fc"]
        at io.papermc.paper.plugin.PluginInitializerManager.load(PluginInitializerManager.java:100) ~[kaiiju-1.19.4.jar:git-Kaiiju-"f8a95fc"]
        at net.minecraft.server.Main.main(Main.java:126) ~[kaiiju-1.19.4.jar:git-Kaiiju-"f8a95fc"]
        at org.bukkit.craftbukkit.Main.main(Main.java:322) ~[kaiiju-1.19.4.jar:git-Kaiiju-"f8a95fc"]
        at io.papermc.paperclip.Paperclip.lambda$main$0(Paperclip.java:42) ~[app:?]
        at java.lang.Thread.run(Unknown Source) ~[?:?]
Caused by: java.lang.RuntimeException: Could not load plugin 'HexNicks v3.1.1' as it is not marked as supporting Folia!
        at io.papermc.paper.plugin.provider.type.spigot.SpigotPluginProviderFactory.build(SpigotPluginProviderFactory.java:22) ~[kaiiju-1.19.4.jar:git-Kaiiju-"f8a95fc"]
        at io.papermc.paper.plugin.provider.type.spigot.SpigotPluginProviderFactory.build(SpigotPluginProviderFactory.java:16) ~[kaiiju-1.19.4.jar:git-Kaiiju-"f8a95fc"]
        at io.papermc.paper.plugin.provider.type.PluginFileType.register(PluginFileType.java:67) ~[kaiiju-1.19.4.jar:git-Kaiiju-"f8a95fc"]
        at io.papermc.paper.plugin.provider.source.FileProviderSource.registerProviders(FileProviderSource.java:57) ~[kaiiju-1.19.4.jar:git-Kaiiju-"f8a95fc"]
        ... 20 more

To Reproduce I installed the latest version and restarted the server.

Software (please complete the following information):

• Latest plugin on https://github.com/KaiijuMC/Kaiiju

Additional context Add any other context about the problem here.