[13:08:50 WARN]: [ProSkyWars] Task #2151 for ProSkyWars v1.0 generated an exception
java.lang.ClassCastException: org.bukkit.craftbukkit.v1_8_R3.block.CraftBlockState cannot be cast to org.bukkit.block.Chest
        at com.mineorigin.minigame.gamemanager.Arena.defaultFill(Arena.java:284) ~[?:?]
        at com.mineorigin.minigame.gamemanager.Timer.run(Timer.java:157) ~[?:?]
        at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(SourceFile:59) ~[server.jar:git-iSpigot-PaperEdition]
        at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(SourceFile:352) ~[server.jar:git-iSpigot-PaperEdition]
        at net.minecraft.server.v1_8_R3.MinecraftServer.B(SourceFile:743) ~[server.jar:git-iSpigot-PaperEdition]
        at net.minecraft.server.v1_8_R3.MinecraftServer.A(SourceFile:713) ~[server.jar:git-iSpigot-PaperEdition]
        at net.minecraft.server.v1_8_R3.MinecraftServer.lambda$run$0(SourceFile:593) ~[server.jar:git-iSpigot-PaperEdition]
        at spg.lgdev.thread.iSpigotThread.lambda$schedule$0(SourceFile:43) ~[server.jar:git-iSpigot-PaperEdition]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_232]
        at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) [?:1.8.0_232]
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) [?:1.8.0_232]
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) [?:1.8.0_232]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_232]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_232]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_232]
[13:09:04 ERROR]: Could not pass event ProjectileHitEvent to ProSkyWars v1.0
org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:385) ~[server.jar:git-iSpigot-PaperEdition]
        at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:78) ~[server.jar:git-iSpigot-PaperEdition]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[server.jar:git-iSpigot-PaperEdition]
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:549) ~[server.jar:git-iSpigot-PaperEdition]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:534) ~[server.jar:git-iSpigot-PaperEdition]
        at org.bukkit.craftbukkit.v1_8_R3.event.CraftEventFactory.callProjectileHitEvent(SourceFile:795) ~[server.jar:git-iSpigot-PaperEdition]
        at net.minecraft.server.v1_8_R3.EntityProjectile.t_(SourceFile:303) ~[server.jar:git-iSpigot-PaperEdition]
        at net.minecraft.server.v1_8_R3.World.entityJoinedWorld(SourceFile:1667) ~[server.jar:git-iSpigot-PaperEdition]
        at net.minecraft.server.v1_8_R3.World.g(SourceFile:1635) ~[server.jar:git-iSpigot-PaperEdition]
        at net.minecraft.server.v1_8_R3.World.tickEntities(SourceFile:1465) ~[server.jar:git-iSpigot-PaperEdition]
        at net.minecraft.server.v1_8_R3.WorldServer.tickEntities(SourceFile:627) ~[server.jar:git-iSpigot-PaperEdition]
        at net.minecraft.server.v1_8_R3.MinecraftServer.tickWorld(SourceFile:1357) ~[server.jar:git-iSpigot-PaperEdition]
        at net.minecraft.server.v1_8_R3.WorldServer.call(SourceFile:88) ~[server.jar:git-iSpigot-PaperEdition]
        at net.minecraft.server.v1_8_R3.MinecraftServer.lambda$run$3(SourceFile:626) ~[server.jar:git-iSpigot-PaperEdition]
        at spg.lgdev.thread.iSpigotThread.lambda$schedule$0(SourceFile:43) ~[server.jar:git-iSpigot-PaperEdition]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_232]
        at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) [?:1.8.0_232]
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) [?:1.8.0_232]
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) [?:1.8.0_232]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_232]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_232]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_232]
Caused by: java.lang.NoSuchMethodError: org.bukkit.event.entity.ProjectileHitEvent.getHitEntity()Lorg/bukkit/entity/Entity;
        at com.mineorigin.minigame.listeners.ExpBottle.onExpBottle(ExpBottle.java:24) ~[?:?]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_232]
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_232]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_232]
        at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_232]
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:383) ~[server.jar:git-iSpigot-PaperEdition]
        ... 21 more