[1.10.2] Server crash on "destroying" door

[Flow86]

Hi,

I have a bag in pickup-mode and destroyed a door.

Server crashed with this stacktrace.

Version I use is 3.0.4g

Mär 08 10:43:15 ma java[17821]: Caused by: java.lang.UnsupportedOperationException
Mär 08 10:43:15 ma java[17821]: at com.google.common.collect.ImmutableCollection.removeAll(ImmutableCollection.java:132) ~[minecraft_server.1.10.2.jar:?]
Mär 08 10:43:15 ma java[17821]: at nl.lang2619.bagginses.event.ItemDropEvent.onBlockDrops(ItemDropEvent.java:138) ~[ItemDropEvent.class:?]
Mär 08 10:43:15 ma java[17821]: at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_743_ItemDropEvent_onBlockDrops_HarvestDropsEvent.invoke(.dynamic) ~[?:?]
Mär 08 10:43:15 ma java[17821]: at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90) ~[ASMEventHandler.class:?]
Mär 08 10:43:15 ma java[17821]: at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:185) ~[EventBus.class:?]
Mär 08 10:43:15 ma java[17821]: at net.minecraftforge.event.ForgeEventFactory.fireBlockHarvesting(ForgeEventFactory.java:258) ~[ForgeEventFactory.class:?]
Mär 08 10:43:15 ma java[17821]: at net.minecraft.block.Block.func_180653_a(Block.java:545) ~[akf.class:?]
Mär 08 10:43:15 ma java[17821]: at net.minecraft.block.Block.func_176226_b(Block.java:537) ~[akf.class:?]
Mär 08 10:43:15 ma java[17821]: at net.minecraft.block.Block.func_180657_a(Block.java:712) ~[akf.class:?]
Mär 08 10:43:15 ma java[17821]: at net.minecraft.server.management.PlayerInteractionManager.func_180237_b(PlayerInteractionManager.java:336) ~[lv.class:?]
Mär 08 10:43:15 ma java[17821]: at net.minecraft.server.management.PlayerInteractionManager.func_73075_a(PlayerInteractionManager.java:113) ~[lv.class:?]
Mär 08 10:43:15 ma java[17821]: at net.minecraft.entity.player.EntityPlayerMP.func_70071_h_(EntityPlayerMP.java:246) ~[lu.class:?]
Mär 08 10:43:15 ma java[17821]: at net.minecraft.world.World.func_72866_a(World.java:1964) ~[aid.class:?]
Mär 08 10:43:15 ma java[17821]: at net.minecraft.world.WorldServer.func_72866_a(WorldServer.java:839) ~[ls.class:?]
Mär 08 10:43:15 ma java[17821]: at net.minecraft.world.World.func_72870_g(World.java:1934) ~[aid.class:?]
Mär 08 10:43:15 ma java[17821]: at net.minecraft.world.WorldServer.func_184147_l(WorldServer.java:649) ~[ls.class:?]
Mär 08 10:43:15 ma java[17821]: at net.minecraft.world.World.func_72939_s(World.java:1726) ~[aid.class:?]
Mär 08 10:43:15 ma java[17821]: at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:620) ~[ls.class:?]
Mär 08 10:43:15 ma java[17821]: at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:709) ~[MinecraftServer.class:?]