Error SkyWars

[15:40:44 WARN]: [Server thread] INFO com.zaxxer.hikari.HikariDataSource - SkyWarsMYSQL - Starting...
[15:40:44 WARN]: [Server thread] INFO com.zaxxer.hikari.pool.PoolBase - SkyWarsMYSQL - Driver does not support get/set network timeout for connections. (com.mysql.jdbc.JDBC4Connection.getNetworkTimeout()I)
[15:40:44 WARN]: [Server thread] INFO com.zaxxer.hikari.HikariDataSource - SkyWarsMYSQL - Start completed.
[15:40:45 ERROR]: Error occurred while enabling SkyWars v1.9.2 (Is it up to date?)
java.lang.NullPointerException
        at ak.CookLoco.SkyWars.arena.chest.ChestTypeManager.readItem(ChestTypeManager.java:114) ~[?:?]
        at ak.CookLoco.SkyWars.arena.chest.ChestTypeManager.loadChests(ChestTypeManager.java:38) ~[?:?]
        at ak.CookLoco.SkyWars.SkyWars.onEnable(SkyWars.java:230) ~[?:?]
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:321) ~[servidor.jar:git-Spigot-e4d4710-e1ebe52]
        at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:340) [servidor.jar:git-Spigot-e4d4710-e1ebe52]
        at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:405) [servidor.jar:git-Spigot-e4d4710-e1ebe52]
        at org.bukkit.craftbukkit.v1_8_R3.CraftServer.loadPlugin(CraftServer.java:357) [servidor.jar:git-Spigot-e4d4710-e1ebe52]
        at org.bukkit.craftbukkit.v1_8_R3.CraftServer.enablePlugins(CraftServer.java:317) [servidor.jar:git-Spigot-e4d4710-e1ebe52]
        at net.minecraft.server.v1_8_R3.MinecraftServer.s(MinecraftServer.java:414) [servidor.jar:git-Spigot-e4d4710-e1ebe52]
        at net.minecraft.server.v1_8_R3.MinecraftServer.k(MinecraftServer.java:378) [servidor.jar:git-Spigot-e4d4710-e1ebe52]
        at net.minecraft.server.v1_8_R3.MinecraftServer.a(MinecraftServer.java:333) [servidor.jar:git-Spigot-e4d4710-e1ebe52]
        at net.minecraft.server.v1_8_R3.DedicatedServer.init(DedicatedServer.java:263) [servidor.jar:git-Spigot-e4d4710-e1ebe52]
        at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:525) [servidor.jar:git-Spigot-e4d4710-e1ebe52]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_171]