EpicFurnaces Problem,

[00:56:44] [Server thread/INFO]: EpicFurnaces 4.5.4 by Songoda <3!
[00:56:44] [Server thread/INFO]: Action: Enabling...
[00:56:44] [Server thread/INFO]: [EpicFurnaces] Loaded locale "en_US"
[00:56:44] [Server thread/INFO]: [SongodaCore] Hooked EpicFurnaces.
[00:56:44] [Server thread/ERROR]: Unexpected error while loading EpicFurnaces v4.5.4 c2.2.11: Disabling plugin!
java.lang.ArrayIndexOutOfBoundsException: 1
	at com.songoda.epicfurnaces.EpicFurnaces.loadLevelManager(EpicFurnaces.java:280) ~[?:?]
	at com.songoda.epicfurnaces.EpicFurnaces.onPluginEnable(EpicFurnaces.java:110) ~[?:?]
	at com.songoda.epicfurnaces.core.SongodaPlugin.onEnable(SongodaPlugin.java:97) ~[?:?]
	at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:263) ~[patched_1.14.4.jar:git-Paper-226]
	at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:338) ~[patched_1.14.4.jar:git-Paper-226]
	at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:420) ~[patched_1.14.4.jar:git-Paper-226]
	at org.bukkit.craftbukkit.v1_14_R1.CraftServer.enablePlugin(CraftServer.java:467) ~[patched_1.14.4.jar:git-Paper-226]
	at org.bukkit.craftbukkit.v1_14_R1.CraftServer.enablePlugins(CraftServer.java:381) ~[patched_1.14.4.jar:git-Paper-226]
	at net.minecraft.server.v1_14_R1.MinecraftServer.a(MinecraftServer.java:474) ~[patched_1.14.4.jar:git-Paper-226]
	at net.minecraft.server.v1_14_R1.DedicatedServer.init(DedicatedServer.java:290) ~[patched_1.14.4.jar:git-Paper-226]
	at net.minecraft.server.v1_14_R1.MinecraftServer.run(MinecraftServer.java:876) ~[patched_1.14.4.jar:git-Paper-226]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_232]
[00:56:44] [Server thread/INFO]: [EpicFurnaces] Disabling EpicFurnaces v4.5.4