Włączanie

Hej. Używam papera 1.12.2 i Skript 2.4.1.

Niestety skript i jego addony nie chcą się włączyć, i nie wiem dlaczego.

Błędy z konsoli:

[12:18:48 ERROR]: Error occurred while enabling Skript v2.4.1 (Is it up to date?)
java.lang.ExceptionInInitializerError: null
        at ch.njol.skript.aliases.Aliases.<clinit>(Aliases.java:142) ~[?:?]
        at ch.njol.skript.Skript.onEnable(Skript.java:402) ~[?:?]
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:264) ~[Paper-1.12.2-b1618.jar:git-Paper-1618]
        at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:316) ~[Paper-1.12.2-b1618.jar:git-Paper-1618]
        at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:405) ~[Paper-1.12.2-b1618.jar:git-Paper-1618]
        at org.bukkit.craftbukkit.v1_12_R1.CraftServer.enablePlugin(CraftServer.java:395) ~[Paper-1.12.2-b1618.jar:git-Paper-1618]
        at org.bukkit.craftbukkit.v1_12_R1.CraftServer.enablePlugins(CraftServer.java:344) ~[Paper-1.12.2-b1618.jar:git-Paper-1618]
        at net.minecraft.server.v1_12_R1.MinecraftServer.t(MinecraftServer.java:442) ~[Paper-1.12.2-b1618.jar:git-Paper-1618]
        at net.minecraft.server.v1_12_R1.MinecraftServer.l(MinecraftServer.java:403) ~[Paper-1.12.2-b1618.jar:git-Paper-1618]
        at net.minecraft.server.v1_12_R1.MinecraftServer.a(MinecraftServer.java:341) ~[Paper-1.12.2-b1618.jar:git-Paper-1618]
        at net.minecraft.server.v1_12_R1.DedicatedServer.init(DedicatedServer.java:289) ~[Paper-1.12.2-b1618.jar:git-Paper-1618]
        at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:616) ~[Paper-1.12.2-b1618.jar:git-Paper-1618]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_181]
Caused by: java.lang.IllegalArgumentException: No enum constant org.bukkit.Material.ACACIA_BOAT
        at java.lang.Enum.valueOf(Unknown Source) ~[?:1.8.0_181]
        at org.bukkit.Material.valueOf(Material.java:71) ~[Paper-1.12.2-b1618.jar:git-Paper-1618]
        at ch.njol.skript.aliases.MaterialRegistry.load(MaterialRegistry.java:61) ~[?:?]
        at ch.njol.skript.aliases.ItemData.<clinit>(ItemData.java:108) ~[?:?]
        ... 13 more

Proszę o pomoc!