Çözüldü ajLeaderBoards anlamadım bir hata veriyor ve disable oluyor

[23:00:09 INFO]: [ajLeaderboards] newVal after:  "---"
[23:00:09 INFO]: [ajLeaderboards] nodeString: ---
[23:00:09 INFO]: [ajLeaderboards] Find: no-data-score: "---" Replace w: no-data-score: ---
[23:00:09 ERROR]: Error occurred while enabling ajLeaderboards v2.7.0 (Is it up to date?)
java.lang.NoClassDefFoundError: net/skinsrestorer/api/SkinsRestorerAPI
        at us.ajg0702.leaderboards.nms.legacy.HeadUtils.<init>(HeadUtils.java:47) ~[?:?]
        at us.ajg0702.leaderboards.LeaderboardPlugin.onEnable(LeaderboardPlugin.java:169) ~[?:?]
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:321) ~[patched_1.8.8.jar:git-PaperSpigot-445]
        at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:332) [patched_1.8.8.jar:git-PaperSpigot-445]
        at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:407) [patched_1.8.8.jar:git-PaperSpigot-445]
        at org.bukkit.craftbukkit.v1_8_R3.CraftServer.loadPlugin(CraftServer.java:359) [patched_1.8.8.jar:git-PaperSpigot-445]
        at org.bukkit.craftbukkit.v1_8_R3.CraftServer.enablePlugins(CraftServer.java:318) [patched_1.8.8.jar:git-PaperSpigot-445]
        at net.minecraft.server.v1_8_R3.MinecraftServer.s(MinecraftServer.java:408) [patched_1.8.8.jar:git-PaperSpigot-445]
        at net.minecraft.server.v1_8_R3.MinecraftServer.k(MinecraftServer.java:372) [patched_1.8.8.jar:git-PaperSpigot-445]
        at net.minecraft.server.v1_8_R3.MinecraftServer.a(MinecraftServer.java:327) [patched_1.8.8.jar:git-PaperSpigot-445]
        at net.minecraft.server.v1_8_R3.DedicatedServer.init(DedicatedServer.java:267) [patched_1.8.8.jar:git-PaperSpigot-445]
        at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:563) [patched_1.8.8.jar:git-PaperSpigot-445]
        at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.ClassNotFoundException: net.skinsrestorer.api.SkinsRestorerAPI
        at java.net.URLClassLoader.findClass(URLClassLoader.java:476) ~[?:?]
        at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:102) ~[patched_1.8.8.jar:git-PaperSpigot-445]
        at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:87) ~[patched_1.8.8.jar:git-PaperSpigot-445]
        at java.lang.ClassLoader.loadClass(ClassLoader.java:589) ~[?:?]
        at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
        ... 13 more
[23:00:09 INFO]: [ajLeaderboards] Disabling ajLeaderboards v2.7.0
[23:00:09 INFO]: [ajLeaderboards] Killing remaining workers
[23:00:09 INFO]: [ajLeaderboards] Remaining workers killed
[23:00:09 INFO]: [ajLeaderboards] ajLeaderboards v2.7.0 disabled.

18:17:54 [WARNING] Error loading plugin ChangeSkin
java.lang.reflect.InvocationTargetException
    at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
    at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:490)
    at net.md_5.bungee.api.plugin.PluginManager.enablePlugin(PluginManager.java:342)
    at net.md_5.bungee.api.plugin.PluginManager.loadPlugins(PluginManager.java:251)
    at net.md_5.bungee.BungeeCord.start(BungeeCord.java:281)
    at net.md_5.bungee.BungeeCordLauncher.main(BungeeCordLauncher.java:67)
    at net.md_5.bungee.Bootstrap.main(Bootstrap.java:15)
Caused by: java.lang.NoClassDefFoundError: net/md_5/bungee/connection/LoginResult$Property
    at com.github.games647.changeskin.bungee.ChangeSkinBungee.<init>(ChangeSkinBungee.java:66)
    ... 9 more
Caused by: java.lang.ClassNotFoundException: net.md_5.bungee.connection.LoginResult$Property
    at net.md_5.bungee.api.plugin.PluginClassloader.loadClass0(PluginClassloader.java:103)
    at net.md_5.bungee.api.plugin.PluginClassloader.loadClass(PluginClassloader.java:59)
    at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522)
    ... 10 more