[Server thread/ERROR]: Could not load 'plugins\Skript.jar' in folder 'plugins'

org.bukkit.plugin.InvalidPluginException: java.lang.NoClassDefFoundError: net/md_5/bungee/api/ChatColor

        at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:147) ~[bukkit-1.20.4-R0.1-SNAPSHOT.jar:?]

        at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:393) ~[bukkit-1.20.4-R0.1-SNAPSHOT.jar:?]

        at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:301) ~[bukkit-1.20.4-R0.1-SNAPSHOT.jar:?]

        at org.bukkit.craftbukkit.v1_20_R3.CraftServer.loadPlugins(CraftServer.java:428) ~[craftbukkit-1.20.4-R0.1-SNAPSHOT.jar:4054-Bukkit-619936d]

        at net.minecraft.server.dedicated.DedicatedServer.e(DedicatedServer.java:213) ~[craftbukkit-1.20.4-R0.1-SNAPSHOT.jar:4054-Bukkit-619936d]

        at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:979) ~[craftbukkit-1.20.4-R0.1-SNAPSHOT.jar:4054-Bukkit-619936d]

        at net.minecraft.server.MinecraftServer.lambda$0(MinecraftServer.java:296) ~[craftbukkit-1.20.4-R0.1-SNAPSHOT.jar:4054-Bukkit-619936d]

        at java.lang.Thread.run(Thread.java:833) ~[?:?]

Caused by: java.lang.NoClassDefFoundError: net/md_5/bungee/api/ChatColor

        at ch.njol.skript.util.Utils.<clinit>(Utils.java:533) ~[?:?]

        at ch.njol.skript.util.Version.<init>(Version.java:63) ~[?:?]

        at ch.njol.skript.Skript.updateMinecraftVersion(Skript.java:227) ~[?:?]

        at ch.njol.skript.Skript.isRunningMinecraft(Skript.java:991) ~[?:?]

        at ch.njol.skript.Skript.<clinit>(Skript.java:1162) ~[?:?]

        at java.lang.Class.forName0(Native Method) ~[?:?]

        at java.lang.Class.forName(Class.java:488) ~[?:?]

        at java.lang.Class.forName(Class.java:467) ~[?:?]

        at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:68) ~[bukkit-1.20.4-R0.1-SNAPSHOT.jar:?]

        at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:143) ~[bukkit-1.20.4-R0.1-SNAPSHOT.jar:?]

        ... 7 more

Caused by: java.lang.ClassNotFoundException: net.md_5.bungee.api.ChatColor

        at org.bukkit.plugin.java.PluginClassLoader.loadClass0(PluginClassLoader.java:160) ~[bukkit-1.20.4-R0.1-SNAPSHOT.jar:?]

        at org.bukkit.plugin.java.PluginClassLoader.loadClass(PluginClassLoader.java:112) ~[bukkit-1.20.4-R0.1-SNAPSHOT.jar:?]

        at java.lang.ClassLoader.loadClass(ClassLoader.java:521) ~[?:?]

        at ch.njol.skript.util.Utils.<clinit>(Utils.java:533) ~[?:?]

        at ch.njol.skript.util.Version.<init>(Version.java:63) ~[?:?]

        at ch.njol.skript.Skript.updateMinecraftVersion(Skript.java:227) ~[?:?]

        at ch.njol.skript.Skript.isRunningMinecraft(Skript.java:991) ~[?:?]

        at ch.njol.skript.Skript.<clinit>(Skript.java:1162) ~[?:?]

        at java.lang.Class.forName0(Native Method) ~[?:?]

        at java.lang.Class.forName(Class.java:488) ~[?:?]

        at java.lang.Class.forName(Class.java:467) ~[?:?]

        at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:68) ~[bukkit-1.20.4-R0.1-SNAPSHOT.jar:?]

        at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:143) ~[bukkit-1.20.4-R0.1-SNAPSHOT.jar:?]

        ... 7 more

분명히 파일 안에 새 버젼 스크도 넣었는데 작동을 하지 않습니다