Errores

[22:02:55 ERROR]: Error occurred while enabling ChestCommands v3.1.2 (Is it up to date?)
java.lang.ExceptionInInitializerError
        at com.gmail.filoghost.chestcommands.serializer.IconSerializer.loadIconFromSection(IconSerializer.java:100) ~[?:?]
        at com.gmail.filoghost.chestcommands.serializer.MenuSerializer.loadMenu(MenuSerializer.java:45) ~[?:?]
        at com.gmail.filoghost.chestcommands.ChestCommands.load(ChestCommands.java:199) ~[?:?]
        at com.gmail.filoghost.chestcommands.ChestCommands.onEnable(ChestCommands.java:122) ~[?:?]
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:321) ~[Spigot1.8.8.jar:git-PaperSpigot-5be55c3-18fbb24]
        at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:340) [Spigot1.8.8.jar:git-PaperSpigot-5be55c3-18fbb24]
        at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:405) [Spigot1.8.8.jar:git-PaperSpigot-5be55c3-18fbb24]
        at org.bukkit.craftbukkit.v1_8_R3.CraftServer.loadPlugin(CraftServer.java:357) [Spigot1.8.8.jar:git-PaperSpigot-5be55c3-18fbb24]
        at org.bukkit.craftbukkit.v1_8_R3.CraftServer.enablePlugins(CraftServer.java:317) [Spigot1.8.8.jar:git-PaperSpigot-5be55c3-18fbb24]
        at net.minecraft.server.v1_8_R3.MinecraftServer.s(MinecraftServer.java:408) [Spigot1.8.8.jar:git-PaperSpigot-5be55c3-18fbb24]
        at net.minecraft.server.v1_8_R3.MinecraftServer.k(MinecraftServer.java:372) [Spigot1.8.8.jar:git-PaperSpigot-5be55c3-18fbb24]
        at net.minecraft.server.v1_8_R3.MinecraftServer.a(MinecraftServer.java:327) [Spigot1.8.8.jar:git-PaperSpigot-5be55c3-18fbb24]
        at net.minecraft.server.v1_8_R3.DedicatedServer.init(DedicatedServer.java:267) [Spigot1.8.8.jar:git-PaperSpigot-5be55c3-18fbb24]
        at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:561) [Spigot1.8.8.jar:git-PaperSpigot-5be55c3-18fbb24]
        at java.lang.Thread.run(Unknown Source) [?:1.7.0_80]
Caused by: java.lang.NullPointerException
        at com.gmail.filoghost.chestcommands.serializer.EnchantmentSerializer.formatLowercase(EnchantmentSerializer.java:49) ~[?:?]
        at com.gmail.filoghost.chestcommands.serializer.EnchantmentSerializer.<clinit>(EnchantmentSerializer.java:43) ~[?:?]