error

[10:44:49] [Server thread/INFO]: [ClueScrolls] Enabling ClueScrolls v3.1.0
[10:44:49] [Server thread/INFO]: [ClueScrolls] ==============================================================
[10:44:49] [Server thread/INFO]: [ClueScrolls] Loaded 61 rewards
[10:44:50] [Server thread/ERROR]: Error occurred while enabling ClueScrolls v3.1.0 (Is it up to date?)
java.lang.NullPointerException: null
	at com.electro2560.dev.cluescrolls.h.a.a(Unknown Source) ~[?:?]
	at com.electro2560.dev.cluescrolls.h.a.b(Unknown Source) ~[?:?]
	at com.electro2560.dev.cluescrolls.ClueScrolls.onEnable(Unknown Source) ~[?:?]
	at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:254) ~[patched_1.13.2.jar:git-Paper-470]
	at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:325) ~[patched_1.13.2.jar:git-Paper-470]
	at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:405) ~[patched_1.13.2.jar:git-Paper-470]
	at org.bukkit.craftbukkit.v1_13_R2.CraftServer.enablePlugin(CraftServer.java:441) ~[patched_1.13.2.jar:git-Paper-470]
	at org.bukkit.craftbukkit.v1_13_R2.CraftServer.enablePlugins(CraftServer.java:355) ~[patched_1.13.2.jar:git-Paper-470]
	at net.minecraft.server.v1_13_R2.MinecraftServer.l(MinecraftServer.java:613) ~[patched_1.13.2.jar:git-Paper-470]
	at net.minecraft.server.v1_13_R2.MinecraftServer.a(MinecraftServer.java:575) ~[patched_1.13.2.jar:git-Paper-470]
	at net.minecraft.server.v1_13_R2.MinecraftServer.a(MinecraftServer.java:435) ~[patched_1.13.2.jar:git-Paper-470]
	at net.minecraft.server.v1_13_R2.DedicatedServer.init(DedicatedServer.java:316) ~[patched_1.13.2.jar:git-Paper-470]
	at net.minecraft.server.v1_13_R2.MinecraftServer.run(MinecraftServer.java:791) ~[patched_1.13.2.jar:git-Paper-470]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]
[10:44:50] [Server thread/INFO]: [ClueScrolls] Disabling ClueScrolls v3.1.0
[10:44:50] [Server thread/INFO]: [ClueScrolls] ==============================================================