k 7147
 java.lang.ArrayIndexOutOfBoundsException: Index -2 out of bounds for length 1
        at java.util.ArrayList.fastRemove(ArrayList.java:674) ~[?:?]
        at java.util.ArrayList.remove(ArrayList.java:661) ~[?:?]
        at me.PM2.AdvancedCrates.cratesHandler.Crate.a(Crate.java:1483) ~[?:?]
        at me.PM2.AdvancedCrates.playerHandler.PlayerData.a(PlayerData.java:219) ~[?:?]
        at me.PM2.AdvancedCrates.animations.quick.QuickCrate.f(QuickCrate.java:472) ~[?:?]
        at me.PM2.AdvancedCrates.animations.quick.QuickCrate.run(QuickCrate.java:237) ~[?:?]
        at org.bukkit.craftbukkit.v1_16_R3.scheduler.CraftTask.run(CraftTask.java:81) ~[forge:?]
        at org.bukkit.craftbukkit.v1_16_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:54) [forge:?]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) [?:?]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) [?:?]
        at java.lang.Thread.run(Thread.java:829) [?:?]
[00:20:12] [Craft Scheduler Thread - 1/WARN]: [AdvancedCrates] Plugin AdvancedCrates v3.0.1 generated an exception while executing task 7147
 java.lang.ArrayIndexOutOfBoundsException: Index -1 out of bounds for length 1
        at java.util.ArrayList.fastRemove(ArrayList.java:674) ~[?:?]
        at java.util.ArrayList.remove(ArrayList.java:661) ~[?:?]
        at me.PM2.AdvancedCrates.cratesHandler.Crate.a(Crate.java:1483) ~[?:?]
        at me.PM2.AdvancedCrates.playerHandler.PlayerData.a(PlayerData.java:219) ~[?:?]
        at me.PM2.AdvancedCrates.animations.quick.QuickCrate.f(QuickCrate.java:472) ~[?:?]
        at me.PM2.AdvancedCrates.animations.quick.QuickCrate.run(QuickCrate.java:237) ~[?:?]
        at org.bukkit.craftbukkit.v1_16_R3.scheduler.CraftTask.run(CraftTask.java:81) ~[forge:?]
        at org.bukkit.craftbukkit.v1_16_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:54) [forge:?]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) [?:?]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) [?:?]
        at java.lang.Thread.run(Thread.java:829) [?:?]
[00:20:12] [Server thread/INFO]: Gave 3 [Timer Ball] to SkyNetCloud
[00:20:14] [Server thread/ERROR]: Could not pass event PlayerInteractEvent to AdvancedCrates v3.0.1
 org.bukkit.event.EventException: null
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:319) ~[forge:?]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70) ~[forge:?]
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:593) ~[forge:?]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:578) ~[forge:?]
        at org.bukkit.craftbukkit.v1_16_R3.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:430) ~[forge:?]
        at net.minecraft.server.management.PlayerInteractionManager.func_219441_a(PlayerInteractionManager.java:400) ~[?:?]
        at net.minecraft.network.play.ServerPlayNetHandler.func_184337_a(ServerPlayNetHandler.java:1402) ~[?:?]
        at net.minecraft.network.play.client.CPlayerTryUseItemOnBlockPacket.func_148833_a(CPlayerTryUseItemOnBlockPacket.java:38) ~[?:?]
        at net.minecraft.network.play.client.CPlayerTryUseItemOnBlockPacket.func_148833_a(CPlayerTryUseItemOnBlockPacket.java:12) ~[?:?]
        at net.minecraft.network.PacketThreadUtil.func_225383_a(PacketThreadUtil.java:22) ~[?:?]
        at net.minecraft.util.concurrent.TickDelayedTask.run(SourceFile:18) ~[?:?]
        at net.minecraft.util.concurrent.ThreadTaskExecutor.func_213166_h(SourceFile:144) ~[?:?]
        at net.minecraft.util.concurrent.RecursiveEventLoop.func_213166_h(SourceFile:23) ~[?:?]
        at net.minecraft.server.MinecraftServer.func_213166_h(MinecraftServer.java:886) ~[?:?]
        at net.minecraft.server.MinecraftServer.func_213166_h(MinecraftServer.java:169) ~[?:?]
        at net.minecraft.util.concurrent.ThreadTaskExecutor.func_213168_p(SourceFile:118) ~[?:?]
        at net.minecraft.server.MinecraftServer.func_213205_aW(MinecraftServer.java:869) ~[?:?]
        at net.minecraft.server.MinecraftServer.func_213168_p(MinecraftServer.java:863) ~[?:?]
        at net.minecraft.util.concurrent.ThreadTaskExecutor.func_213160_bf(SourceFile:103) ~[?:?]
        at net.minecraft.server.MinecraftServer.func_213202_o(MinecraftServer.java:848) ~[?:?]
        at net.minecraft.server.MinecraftServer.func_240802_v_(MinecraftServer.java:781) ~[?:?]
        at net.minecraft.server.MinecraftServer.func_240783_a_(MinecraftServer.java:265) ~[?:?]
        at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.ArrayIndexOutOfBoundsException: Index -2 out of bounds for length 1
        at java.util.ArrayList.add(ArrayList.java:487) ~[?:?]
        at java.util.ArrayList.add(ArrayList.java:499) ~[?:?]
        at me.PM2.AdvancedCrates.cratesHandler.Crate.b(Crate.java:1474) ~[?:?]
        at me.PM2.AdvancedCrates.playerHandler.PlayerData.a(PlayerData.java:216) ~[?:?]
        at me.PM2.AdvancedCrates.listeners.CrateOpenListener.a(CrateOpenListener.java:203) ~[?:?]
        at jdk.internal.reflect.GeneratedMethodAccessor254.invoke(Unknown Source) ~[?:?]
        at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
        at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:315) ~[forge:?]
        ... 22 more