MundoSK Big Bully

[10:26:18 ERROR]: Error occurred while enabling MundoSK v1.8.5 (Is it up to date?)
java.lang.NoSuchMethodError: ch.njol.skript.lang.SyntaxElementInfo.<init>([Ljava/lang/String;Ljava/lang/Class;)V
at com.pie.tlatoani.Registration.ModifiableSyntaxElementInfo$Effect.<init>(ModifiableSyntaxElementInfo.java:57) ~[?:?]
at com.pie.tlatoani.ListUtil.ListUtil.load(ListUtil.java:41) ~[?:?]
at com.pie.tlatoani.Registration.Registration.register(Registration.java:29) ~[?:?]
at com.pie.tlatoani.Mundo.onEnable(Mundo.java:80) ~[?:?]
at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:264) ~[patched_1.12.2.jar:git-Paper-1606]
at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:316) ~[patched_1.12.2.jar:git-Paper-1606]
at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:405) ~[patched_1.12.2.jar:git-Paper-1606]
at org.bukkit.craftbukkit.v1_12_R1.CraftServer.enablePlugin(CraftServer.java:395) ~[patched_1.12.2.jar:git-Paper-1606]
at org.bukkit.craftbukkit.v1_12_R1.CraftServer.enablePlugins(CraftServer.java:344) ~[patched_1.12.2.jar:git-Paper-1606]
at net.minecraft.server.v1_12_R1.MinecraftServer.t(MinecraftServer.java:442) ~[patched_1.12.2.jar:git-Paper-1606]
at net.minecraft.server.v1_12_R1.MinecraftServer.l(MinecraftServer.java:403) ~[patched_1.12.2.jar:git-Paper-1606]
at net.minecraft.server.v1_12_R1.MinecraftServer.a(MinecraftServer.java:341) ~[patched_1.12.2.jar:git-Paper-1606]
at net.minecraft.server.v1_12_R1.DedicatedServer.init(DedicatedServer.java:289) ~[patched_1.12.2.jar:git-Paper-1606]
at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:616) ~[patched_1.12.2.jar:git-Paper-1606]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_212]