[01:01:09] [Craft Scheduler Thread - 27/WARN]: Exception in thread "Craft Scheduler Thread - 27"
[01:01:09] [Craft Scheduler Thread - 27/WARN]: org.apache.commons.lang.UnhandledException: Plugin MultiInv v3.3.6-dev generated an exception while executing task 2052
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:56)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
	at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.NullPointerException
	at org.bukkit.inventory.ItemStack.<init>(ItemStack.java:94)
	at uk.co.tggl.pluckerpluck.multiinv.inventory.MIItemStack.getItemStack(MIItemStack.java:161)
	at uk.co.tggl.pluckerpluck.multiinv.inventory.MIItemStack.<init>(MIItemStack.java:104)
	at uk.co.tggl.pluckerpluck.multiinv.inventory.MIInventory.<init>(MIInventory.java:92)
	at uk.co.tggl.pluckerpluck.multiinv.player.MIPlayerFile.getInventory(MIPlayerFile.java:153)
	at uk.co.tggl.pluckerpluck.multiinv.player.MIPlayer.loadGroup(MIPlayer.java:420)
	at uk.co.tggl.pluckerpluck.multiinv.player.MIPlayer.run(MIPlayer.java:440)
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71)
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53)
	... 3 more

[01:01:09] [Server thread/WARN]: [MultiInv] Task #2053 for MultiInv v3.3.6-dev generated an exception
java.lang.NullPointerException
	at org.bukkit.inventory.ItemStack.<init>(ItemStack.java:94) ~[spigot.jar:git-Spigot-044d928-e8c6403]
	at uk.co.tggl.pluckerpluck.multiinv.inventory.MIItemStack.getItemStack(MIItemStack.java:161) ~[?:?]
	at uk.co.tggl.pluckerpluck.multiinv.inventory.MIItemStack.<init>(MIItemStack.java:104) ~[?:?]
	at uk.co.tggl.pluckerpluck.multiinv.inventory.MIInventory.<init>(MIInventory.java:92) ~[?:?]
	at uk.co.tggl.pluckerpluck.multiinv.player.MIPlayerFile.getInventory(MIPlayerFile.java:153) ~[?:?]
	at uk.co.tggl.pluckerpluck.multiinv.player.MIPlayer.loadGroup(MIPlayer.java:420) ~[?:?]
	at uk.co.tggl.pluckerpluck.multiinv.player.MIPlayer.loadEnderchestInventory(MIPlayer.java:156) ~[?:?]
	at uk.co.tggl.pluckerpluck.multiinv.listener.MIPlayerListener.loadEnderchestState(MIPlayerListener.java:573) ~[?:?]
	at uk.co.tggl.pluckerpluck.multiinv.player.DeferredWorldCheck.run(DeferredWorldCheck.java:28) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[spigot.jar:git-Spigot-044d928-e8c6403]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [spigot.jar:git-Spigot-044d928-e8c6403]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [spigot.jar:git-Spigot-044d928-e8c6403]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [spigot.jar:git-Spigot-044d928-e8c6403]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [spigot.jar:git-Spigot-044d928-e8c6403]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [spigot.jar:git-Spigot-044d928-e8c6403]
	at java.lang.Thread.run(Unknown Source) [?:1.8.0_45]