[20:54:06 ERROR]: Could not pass event InventoryCloseEvent to RPGPlayerLeveling
v3.3.6
org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.ja
va:310) ~[spigot.jar:git-Spigot-e6f93f4-d884ab3]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.jav
a:62) ~[spigot.jar:git-Spigot-e6f93f4-d884ab3]
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.j
ava:502) [spigot.jar:git-Spigot-e6f93f4-d884ab3]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.j
ava:487) [spigot.jar:git-Spigot-e6f93f4-d884ab3]
        at org.bukkit.craftbukkit.v1_9_R1.event.CraftEventFactory.handleInventor
yCloseEvent(CraftEventFactory.java:871) [spigot.jar:git-Spigot-e6f93f4-d884ab3]
        at net.minecraft.server.v1_9_R1.EntityPlayer.closeInventory(EntityPlayer
.java:838) [spigot.jar:git-Spigot-e6f93f4-d884ab3]
        at org.bukkit.craftbukkit.v1_9_R1.entity.CraftHumanEntity.closeInventory
(CraftHumanEntity.java:375) [spigot.jar:git-Spigot-e6f93f4-d884ab3]
        at darius0021.events.InventoryEvents.mainmenu(InventoryEvents.java:87) [
BattlePets-1.10.jar:?]
        at darius0021.events.InventoryEvents.clickmenu(InventoryEvents.java:47)
[BattlePets-1.10.jar:?]
        at sun.reflect.GeneratedMethodAccessor310.invoke(Unknown Source) ~[?:?]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1
.8.0_111]
        at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_111]
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.ja
va:306) [spigot.jar:git-Spigot-e6f93f4-d884ab3]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.jav
a:62) [spigot.jar:git-Spigot-e6f93f4-d884ab3]
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.j
ava:502) [spigot.jar:git-Spigot-e6f93f4-d884ab3]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.j
ava:487) [spigot.jar:git-Spigot-e6f93f4-d884ab3]
        at net.minecraft.server.v1_9_R1.PlayerConnection.a(PlayerConnection.java
:1852) [spigot.jar:git-Spigot-e6f93f4-d884ab3]
        at net.minecraft.server.v1_9_R1.PacketPlayInWindowClick.a(SourceFile:33)
 [spigot.jar:git-Spigot-e6f93f4-d884ab3]
        at net.minecraft.server.v1_9_R1.PacketPlayInWindowClick.a(SourceFile:10)
 [spigot.jar:git-Spigot-e6f93f4-d884ab3]
        at net.minecraft.server.v1_9_R1.PlayerConnectionUtils$1.run(SourceFile:1
3) [spigot.jar:git-Spigot-e6f93f4-d884ab3]
        at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [
?:1.8.0_111]
        at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.8.0_111]
        at net.minecraft.server.v1_9_R1.SystemUtils.a(SourceFile:45) [spigot.jar
:git-Spigot-e6f93f4-d884ab3]
        at net.minecraft.server.v1_9_R1.MinecraftServer.D(MinecraftServer.java:7
21) [spigot.jar:git-Spigot-e6f93f4-d884ab3]
        at net.minecraft.server.v1_9_R1.DedicatedServer.D(DedicatedServer.java:4
00) [spigot.jar:git-Spigot-e6f93f4-d884ab3]
        at net.minecraft.server.v1_9_R1.MinecraftServer.C(MinecraftServer.java:6
60) [spigot.jar:git-Spigot-e6f93f4-d884ab3]
        at net.minecraft.server.v1_9_R1.MinecraftServer.run(MinecraftServer.java
:559) [spigot.jar:git-Spigot-e6f93f4-d884ab3]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_111]
Caused by: java.lang.NumberFormatException: For input string: "1515.0"
        at java.lang.NumberFormatException.forInputString(Unknown Source) ~[?:1.
8.0_111]
        at java.lang.Integer.parseInt(Unknown Source) ~[?:1.8.0_111]
        at java.lang.Integer.parseInt(Unknown Source) ~[?:1.8.0_111]
        at me.baks.rpl.manager.StatsManager.getHealth(StatsManager.java:481) ~[?
:?]
        at me.baks.rpl.manager.PluginManager.updatePlayerHealth(PluginManager.ja
va:80) ~[?:?]
        at me.baks.rpl.manager.PluginManager.updatePlayerStats(PluginManager.jav
a:34) ~[?:?]
        at me.baks.rpl.listener.EventListener.onCloseInv(EventListener.java:485)
 ~[?:?]
        at sun.reflect.GeneratedMethodAccessor374.invoke(Unknown Source) ~[?:?]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1
.8.0_111]
        at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_111]
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.ja
va:306) ~[spigot.jar:git-Spigot-e6f93f4-d884ab3]
        ... 27 more