[14:09:03] [Server thread/ERROR]: Could not pass event ItemSpawnEvent to AquaHoppers v2.0-BETA
java.lang.ClassCastException: org.bukkit.craftbukkit.v1_12_R1.block.CraftBlockState cannot be cast to org.bukkit.block.Hopper
	at recode.brian.spigot.aqh.util.Methods.addItem(Methods.java:128) ~[?:?]
	at recode.brian.spigot.aqh.P.lambda$initListeners$1(P.java:156) ~[?:?]
	at recode.brian.spigot.aqh.util.plugin.Events.lambda$listen$0(Events.java:27) ~[?:?]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot-1.12.2.jar:git-Spigot-e8ded36-acbc348]
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:500) [spigot-1.12.2.jar:git-Spigot-e8ded36-acbc348]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:485) [spigot-1.12.2.jar:git-Spigot-e8ded36-acbc348]
	at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.callItemSpawnEvent(CraftEventFactory.java:312) [spigot-1.12.2.jar:git-Spigot-e8ded36-acbc348]
	at net.minecraft.server.v1_12_R1.World.addEntity(World.java:1035) [spigot-1.12.2.jar:git-Spigot-e8ded36-acbc348]
	at net.minecraft.server.v1_12_R1.WorldServer.addEntity(WorldServer.java:1115) [spigot-1.12.2.jar:git-Spigot-e8ded36-acbc348]
	at net.minecraft.server.v1_12_R1.World.addEntity(World.java:1013) [spigot-1.12.2.jar:git-Spigot-e8ded36-acbc348]
	at net.minecraft.server.v1_12_R1.Block.a(Block.java:376) [spigot-1.12.2.jar:git-Spigot-e8ded36-acbc348]
	at net.minecraft.server.v1_12_R1.Block.dropNaturally(Block.java:355) [spigot-1.12.2.jar:git-Spigot-e8ded36-acbc348]
	at net.minecraft.server.v1_12_R1.Block.b(Block.java:342) [spigot-1.12.2.jar:git-Spigot-e8ded36-acbc348]
	at net.minecraft.server.v1_12_R1.Block.a(Block.java:470) [spigot-1.12.2.jar:git-Spigot-e8ded36-acbc348]
	at net.minecraft.server.v1_12_R1.PlayerInteractManager.breakBlock(PlayerInteractManager.java:379) [spigot-1.12.2.jar:git-Spigot-e8ded36-acbc348]
	at net.minecraft.server.v1_12_R1.PlayerInteractManager.a(PlayerInteractManager.java:217) [spigot-1.12.2.jar:git-Spigot-e8ded36-acbc348]
	at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:893) [spigot-1.12.2.jar:git-Spigot-e8ded36-acbc348]
	at net.minecraft.server.v1_12_R1.PacketPlayInBlockDig.a(SourceFile:40) [spigot-1.12.2.jar:git-Spigot-e8ded36-acbc348]
	at net.minecraft.server.v1_12_R1.PacketPlayInBlockDig.a(SourceFile:10) [spigot-1.12.2.jar:git-Spigot-e8ded36-acbc348]
	at net.minecraft.server.v1_12_R1.PlayerConnectionUtils$1.run(SourceFile:13) [spigot-1.12.2.jar:git-Spigot-e8ded36-acbc348]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_181]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_181]
	at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46) [spigot-1.12.2.jar:git-Spigot-e8ded36-acbc348]
	at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:748) [spigot-1.12.2.jar:git-Spigot-e8ded36-acbc348]
	at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-e8ded36-acbc348]
	at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-e8ded36-acbc348]
	at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-e8ded36-acbc348]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_181]
[14:09:03] [Craft Scheduler Thread - 187/WARN]: [AquaHoppers] Plugin AquaHoppers v2.0-BETA generated an exception while executing task 28
java.lang.NullPointerException: null