Çözüldü UltraCosmetics HATA

[11:52:00] [Server thread/WARN]: [UltraCosmetics] Your messages file is using legacy color codes, it will be upgraded now
[11:52:01] [Server thread/ERROR]: Error occurred while enabling UltraCosmetics v3.6.0.1-RELEASE (Is it up to date?)
java.lang.ExceptionInInitializerError: null
    at be.isach.ultracosmetics.util.ItemFactory.createSkull(ItemFactory.java:188) ~[?:?]
    at be.isach.ultracosmetics.cosmetics.type.HatType.<init>(HatType.java:36) ~[?:?]
    at be.isach.ultracosmetics.cosmetics.type.HatType.register(HatType.java:79) ~[?:?]
    at be.isach.ultracosmetics.cosmetics.type.CosmeticType.registerAll(CosmeticType.java:99) ~[?:?]
    at be.isach.ultracosmetics.UltraCosmetics.start(UltraCosmetics.java:313) ~[?:?]
    at be.isach.ultracosmetics.UltraCosmetics.onEnable(UltraCosmetics.java:215) ~[?:?]
    at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:287) ~[paper-api-1.20.4-R0.1-SNAPSHOT.jar:?]
    at io.papermc.paper.plugin.manager.PaperPluginInstanceManager.enablePlugin(PaperPluginInstanceManager.java:188) ~[paper-1.20.4.jar:git-Paper-497]
    at io.papermc.paper.plugin.manager.PaperPluginManagerImpl.enablePlugin(PaperPluginManagerImpl.java:104) ~[paper-1.20.4.jar:git-Paper-497]
    at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:507) ~[paper-api-1.20.4-R0.1-SNAPSHOT.jar:?]
    at org.bukkit.craftbukkit.v1_20_R3.CraftServer.enablePlugin(CraftServer.java:639) ~[paper-1.20.4.jar:git-Paper-497]
    at org.bukkit.craftbukkit.v1_20_R3.CraftServer.enablePlugins(CraftServer.java:550) ~[paper-1.20.4.jar:git-Paper-497]
    at net.minecraft.server.MinecraftServer.loadWorld0(MinecraftServer.java:671) ~[paper-1.20.4.jar:git-Paper-497]
    at net.minecraft.server.MinecraftServer.loadLevel(MinecraftServer.java:431) ~[paper-1.20.4.jar:git-Paper-497]
    at net.minecraft.server.dedicated.DedicatedServer.initServer(DedicatedServer.java:309) ~[paper-1.20.4.jar:git-Paper-497]
    at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1131) ~[paper-1.20.4.jar:git-Paper-497]
    at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:319) ~[paper-1.20.4.jar:git-Paper-497]
    at java.lang.Thread.run(Thread.java:1583) ~[?:?]
Caused by: java.lang.IllegalArgumentException: No enum constant com.cryptomorin.xseries.reflection.parser.ReflectionParser.Flag.PRİVATE
    at java.lang.Enum.valueOf(Enum.java:293) ~[?:?]
    at com.cryptomorin.xseries.reflection.parser.ReflectionParser$Flag.valueOf(ReflectionParser.java:35) ~[?:?]
    at com.cryptomorin.xseries.reflection.parser.ReflectionParser.parseFlags(ReflectionParser.java:232) ~[?:?]
    at com.cryptomorin.xseries.reflection.parser.ReflectionParser.start(ReflectionParser.java:212) ~[?:?]
    at com.cryptomorin.xseries.reflection.parser.ReflectionParser.pattern(ReflectionParser.java:144) ~[?:?]
    at com.cryptomorin.xseries.reflection.parser.ReflectionParser.parseField(ReflectionParser.java:192) ~[?:?]
    at com.cryptomorin.xseries.reflection.jvm.classes.ClassHandle.field(ClassHandle.java:70) ~[?:?]
    at com.cryptomorin.xseries.XSkull.<clinit>(XSkull.java:159) ~[?:?]
    ... 18 more