Poprostu mi Plugin Skript nie dziala

[20:56:01 ERROR]: Error occurred while enabling Skript v2.2-dev32c (Is it up to date?)
java.lang.NoSuchMethodError: org.bukkit.Effect.getName()Ljava/lang/String;
at ch.njol.skript.util.VisualEffect$Type.<init>(VisualEffect.java:196) ~[?:?]
at ch.njol.skript.util.VisualEffect$Type.<clinit>(VisualEffect.java:63) ~[?:?]
at ch.njol.skript.util.VisualEffect.<clinit>(VisualEffect.java:269) ~[?:?]
at ch.njol.skript.classes.data.SkriptClasses.<clinit>(SkriptClasses.java:889) ~[?:?]
at ch.njol.skript.Skript.onEnable(Skript.java:319) ~[?:?]
at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:264) ~[server.jar:git-Bukkit-45c8386]
at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:329) [server.jar:git-Bukkit-45c8386]
at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:402) [server.jar:git-Bukkit-45c8386]
at org.bukkit.craftbukkit.v1_12_R1.CraftServer.enablePlugin(CraftServer.java:368) [server.jar:git-Bukkit-45c8386]
at org.bukkit.craftbukkit.v1_12_R1.CraftServer.enablePlugins(CraftServer.java:329) [server.jar:git-Bukkit-45c8386]
at net.minecraft.server.v1_12_R1.MinecraftServer.t(MinecraftServer.java:412) [server.jar:git-Bukkit-45c8386]
at net.minecraft.server.v1_12_R1.MinecraftServer.l(MinecraftServer.java:373) [server.jar:git-Bukkit-45c8386]
at net.minecraft.server.v1_12_R1.MinecraftServer.a(MinecraftServer.java:328) [server.jar:git-Bukkit-45c8386]
at net.minecraft.server.v1_12_R1.DedicatedServer.init(DedicatedServer.java:248) [server.jar:git-Bukkit-45c8386]
at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:522) [server.jar:git-Bukkit-45c8386]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_141]

Jakies Pomysły dlaczego wyskakuje mi taki Error?